mcq on mitochondrial dna

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A mitochondrial DNA test, can therefore be taken by both men and women. d.      Centrosome, (4). Mitochondrial outer membrane possess porins but they lack the usual beta barrel structure of the usual porins b. a.      Hepatocytes have more than 2000 mitochondria per cell Outer membrane contain more proteins/lipid ratio (by weight) than inner membrane, c.       Inner membrane contain more proteins/lipid ratio (by weight) than outer membrane, d.      Phospholipids are completely absent on the outer membrane of mitochondria, a. d.      No mitochondria in the sperms, (5). The mechanism of action of cyanide is by inhibiting: a.      NADH dehydrogenase Many spirally coiled mitochondria will be there in the mid-piece of sperm. Characteristics of mitochondrial DNA (mtDNA) and results of research to date provide motivation to evaluate the relations between mtDNA copy number (mtDNAcn) and deletions (mtDNAdel) and couple fecundity. Ans. Enter your e-mail address. d.      Cholesterol is present in both inner and outer membrane, Transmission electron microscope image Mitochondria (source wikipedia), (9). Cholesterol is absent in the inner membrane 1. Please Share with Your Friends... a. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. d.      In all cells, one mitochondria will be exceptionally larger than others, (3). 10. Understand the concept clearly by consistently practicing the Multiple Choice Questions and score […] d.      Succinate dehydrogenase. b) DNA polymerase III possess 5'-3' polymerase activity required for elongation. b.      Tay-sach syndrome c.       Ceramide d.      Phospholipids are completely absent on the outer membrane of mitochondria, (6). In all cells, one mitochondria will be exceptionally larger than others, This is a wrong statement, even though the size of mitochondria in a single cell varies, we cannot say that one is exceptionally larger than others. If a perfect match is found to another person's mtDNA test results, one may find a common ancestor in the other relative's (m… mtDNA is passed down by the mother unchanged, to all her children, both male and female. In situ hybridisation: a. to detect rnRNA for protein products . c.       Isocitrate dehydrogenase Both inner and outer mitochondrial membrane possess porin proteins c. Only the inner mitochondrial membrane possess porin proteins d. c.       Golgi b.      ATP synthesis Mitochondrial membrane system processes a variety of porin proteins which allow the passage of selective molecules. Freely transported through both outer and inner membrane of mitochondria, b. a. Cellular organelle(s) involved in the regulation of Ca2+ level in the cell ________. (d) flavoproteins are phosphorylated. b.      FADH Dehydrogenase Closed circular. d.      ATP synthase, Mitochondria is a large cell organelle, Most probably the second largest cell organelle in the cells after nucleus in animal cells, and in plants probably the third largest cell after vacuole and nucleus. Researchers, teachers and students are allowed to use the content for non commercial offline purpose. Oxysomes of F0-F1 particles occur on. a.      Mitochondria b. (d). c.       MELAS syndrome The study of cytosine methylation in mtDNA is limited. (1). Closed circular B. Nicked circular C. Linear D. Open circular. Thus, mutations in mtDNA were an obvious early target for analysis. d) simple, double stranded circular DNA molecule 20. The only other place where cardiolipin can be found is the membrane of most bacterial cells. The following section consists of Biology Multiple Choice questions on Bacteria. d.      Protein degradation. The mitochondria, and thus mitochondrial DNA, are passed almost exclusively from motherto offspringthrough the egg cell. For isolating DNA from plants, the most suitable method is a) CTAB method b) SDS-phenol extraction c) SDS-proteinase K treatment d) all of these Answer: a) CTAB method 2. c.       Mitochondria Which of the following cell organelle can be viewed by a light microscope? a.      Ribosome (c). The reason for this is: a. Mitochondrial DNA undergo spontaneous mutation b. Mitochondrial DNA can be easy isolated c. Mitochondrial genes are specific to mtDNA d. These organellesfound in cells have often been called the powerhouse of the cell. 19. Mitochondrial DNA (mtDNA) is considered as one of the best marker tool for population biologists and evolutionary biologists. b.      Apoptosome c.       Cholesterol is present only in the inner membrane a) Both chloroplast and mitochondria contain an inner and outer membrane, b) both chloroplast and mitochondria have an internal compartment, the thylakoid space bound by the thylakoid membrane, c) the chloroplasts are generally mush larger than mitochondria, d)Both chloroplast and mitochondria contain DNA, b) the enzymes of the electron transfer chain are embedded in the outer membrane, c) The outer membrane is permeable to all kinds of molecules, d)  the outer membrane permeable to all kinds of molecules, a) Mitochondria are called as the “power plants or power houses” of the cell, c) Mitochondria is the site of oxidative phosphorylation and Krebs cycle, d) Mitochondria is the site of Calvin cycle, a) electron transport cahin and associated ATP production, b) glycolysis and associated ATP production, a) simple, double stranded linear DNA molecule, b) simple, single stranded linear DNA molecule, c) simple, single stranded circular DNA molecule, d) simple, double stranded circular DNA molecule. d.      Cannot be transported freely through outer and inner membrane of mitochondria. Sperm head Ans. a. Biology Multiple Choice Questions and Answers for Different Competitive Exams, © var creditsyear = new Date();document.write(creditsyear.getFullYear()); Ans. c.       Bacterial plasma membrane Written by Ellen Hinkley December 22, 2016 There are three main types of ancestry DNA test and they each report on different aspects of your genetic heritage.Broadly speaking, they can be categorized into autosomal, maternal and paternal ancestry tests, and it’s the maternal tests that are conducted using mitochondrial DNA (aka mtDNA). b. The minimal mitochondrial replisome proteins reconstituted in vitro and found to perform mini-circle replication include DNA polymerase γ (Polγ), hexameric Twinkle helicase, and mitochondrial single-stranded binding protein (mtSSB) ( 45 ). Mitochondrial DNA Beside their characteristic role as the powerhouse of the cell, mitochondria have another specificity: they are the only place outside the nucleus where DNA can be found. 13. Ans. The only enzyme in citric acid cycle (Kreb’s cycle) which is attached to the inner mitochondrial membrane is: a.      Hepatocytes have more than 2000 mitochondria per cell, c.       Sperm cells of Insects completely lack mitochondria, d.      Mitochondrial number may change in each cell of a species, d.      Chloroplast, mitochondria and Golgi, d.      Leber’s hereditary optic neuropathy, a.      Mitochondrial DNA undergo spontaneous mutation, b.      Mitochondrial DNA can be easy isolated, c.       Mitochondrial genes are specific to mtDNA, d.      Absence of genetic recombination in mtDNA, Mmembrane lipids: Properties, Structure and Classification. 17. Which of the following cellular event is NOT directly involved with mitochondria? Cristae in mitochondria serves as sites for. Chemical composition of both inner and outer membrane of mitochondria are same Apart from these main functions, mitochondria are also involved in cellular process like regulation of membrane potential, induction of apoptosis, regulation of cellular metabolism, synthesis of heme (porphyrin), and synthesis of some steroids. Electron microscopy reveals mitochondrial DNA in discrete foci. Ans. Mitochondrial DNA is the small circular chromosomefound inside mitochondria. a.      Apoptosis b.      NADPH dehydrogenase Mid piece It is abundantly present in the inner mitochondrial membrane, where it contributes about 20% of the total lipid components. c.       Sperm tail c.       Large mitochondria in the call can split into two 6, Chapter 5: Aerobic Respiration and Mitochondria, Page 174, 2. ATP, NAD and CoA can be ___________. d.      Chloroplast, mitochondria and Golgi, a.      Kearns-Sayre syndrome MCQ on Restriction enzymes March 12, 2018 DNA. 19. MCQ on DNA Extraction (BioTechnology) June 07, 2018 Biotechnology. Absence of genetic recombination in mtDNA. Mitochondria in the human sperm cell are occupied at _________. DNA replication occurs in all living organisms. (c) macromolecules breakdown. a.      Mitochondrial outer membrane possess porins but they lack the usual beta barrel structure of the usual porins a.       NADH dehydrogenase The complete mitochondrial DNA sequence of Yimeng black goat (Capra hircus) and its potential application in mutton discrimination. (d). codes for parts of mitochondrial enzymes d.      Mitochondrial number may change in each cell of a species. Human mitochondrial genetics is the study of the genetics of human mitochondrial DNA (the DNA contained in human mitochondria).The human mitochondrial genome is the entirety of hereditary information contained in human mitochondria. d.      Leber’s hereditary optic neuropathy. 16. It is an important biological process for inheritance. Understand the concept clearly by consistently practicing the Multiple Choice Questions and score well in your exams. The only enzyme in citric acid cycle (Kreb’s cycle) which is attached to the inner mitochondrial membrane is: During the last few years, mitochondrial DNA has attained much attention as a modulator of immune responses. During the cell cycle, replication occurs at ‘S’ phase. Inner membrane of Golgi apparatus Biology is the study of life. d.      Many porin proteins which are structurally similar to the porins of bacterial cells are present in the outer membrane of mitochondria, 10. b.      Cardiolipin (The maximum limit of resolution of light microscope is ~ 0.2µ), For details, refer: Cell and Molecular Biology by Gerald Karp, Ed. a.      Lecithin MCQs on DNA Replication. Mitochondrial membrane system processes a variety of porin proteins which allow the passage of selective molecules. d.      Malate dehydrogenase. Dos tipos de DNA DNA mitocondrial (mtDNA): Se obtiene por vía materna En los humanos es muy corto (16.569 bp) Se conoce mucho mejor dónde está la información (regiones codificantes, casi todo) Muta mucho más que el DNA cromosómico Las mutaciones patógenas están asociados a enfermedades crónicas, progresivas y mortales Es importante distinguir las mutaciones patógenas de c.       Ubiquinone Kearns-Sayre syndrome, MELAS syndrome and Leber’s hereditary optic neuropathy are the metabolic disorders associated with the dysfunction of mitochondria in the cell. Which of the following membrane lipid constituent can be considered as the lipid marker of inner mitochondrial membrane? Mutations in mitochondrial DNA can lead to a variety of rare and poorly understood diseases. 20. Inner membrane contain more proteins/lipid ratio (by weight) than outer membrane, The protein/lipid ratio of inner membrane of mitochondria is 3:1 by weight, Cardiolipin is a diphosphatidylglycerol belongs to the class of glycerol-phospholipids. Explore some important MCQs on mitochondria for NEET. Both inner and outer mitochondrial membrane possess porin proteins, c.       Only the inner mitochondrial membrane possess porin proteins, d.      Many porin proteins which are structurally similar to the porins of bacterial cells are present in the outer membrane of mitochondria. Example for autonomous organelle(s): a.      Mitochondria a.      Succinate dehydrogenase b.      Endoplasmic Reticulum c.       Endoplasmic Reticulum and Mitochondria Which of the following statement is NOT true about mitochondria? 13. Due to common evolutionary origin, mitochondrial DNA shares various characteristic features with DNA of bacteria, as it consists of a remarkable number of unmethylated DNA as 2'-deoxyribose cytidine-phosphate-guanosine (CpG) islands. b.      Chloroplast Which of the following can be used as an enzyme marker for inner mitochondrial membrane? MCQ on DNA – Structure (Molecular Biology MCQ – 08) Dear Students, Welcome to Molecular Biology MCQ-08 (DNA Structure and Functions – Advanced).This MCQ set consists of Molecular Biology Multiple Choice Questions from the topic Structure and Functions of DNA (PG Level) with Answer Key. (a) oxidation reduction reaction. Mitochondrial DNA is: A. c.       Cytochrome c oxidase b. detect location of mRNA in cell . In contrast, mitochondria‐targeted ApaLI (lanes 7–10) eliminates type I mtDNA (MCQ 7: A; MCQ 18: B). What is a mitochondrial DNA test? incomplete penetrance. d.      Absence of genetic recombination in mtDNA. The energy (ATP) produced by these mitochondria are used by the flagella for their beating. Biology is the study of life. a. (c). 13. mitochondrial dna replication and deletion formation Replication of mtDNA is distinct from the replication of the nuclear genome. c.       Sperm cells of Insects completely lack mitochondria MCQ Biology - Learning Biology through MCQs, AllRightsReserved. Which of the following statement is true regarding the porin protein in the mitochondrial membrane system? mitochondrial inheritance . (c). c.       Mitochondrial genes are specific to mtDNA b. Mitochondrial DNA (mtDNA) In the 1980s, Wilson and others showed that modern humans can trace their lineages to a single human female who existed in Africa around 200,000 years ago. a.      Nucleus Freely transported through the outer membrane of mitochondria b.      Golgi apparatus Which of the following statement is true regarding the porin protein in the mitochondrial membrane system? The reason for this is: a.      Mitochondrial DNA undergo spontaneous mutation Oxidative phosphorylation is a process that uses oxygen and simple sugars to create adenosine triphosphate (ATP), the cell's main energy source. Outer membrane contain more proteins/lipid ratio (by weight) than inner membrane While the nuclear genome is linear, mitochondrial DNA is a small circular chromosome. True regarding Okazaki fragment – Biochemistry MCQ . Ans. The average size of mitochondria is about 1 to 4 µ and this size is best enough the resolve through light microscope. d.      Cardiolipin. 19. A DNA molecule replicates to form two identical copies of itself. Biochemistry – MCQ 57 – Mitochondrial DNA. c.       Mitochondria and chloroplast (b). Freely transported through the outer membrane of mitochondria, ATP, NAD and Co-A can be freely transported through the outer mitochondrial membrane through the porin protein channels with beta-barrel structures, 11. c. method is as sensitive as immunofluorescence methods . This third edition is comprised of well-established protocols that are considered the gold standard in the field as well as new methodologies for mitochondrial DNA analysis. They protect chromosome ends from nucleases and they also provide a special mechanism for replication of chromosome ends, using the enzyme telomerase. (b) protein synthesis. Related Articles. Ke Liu, Ying Jin, Feng-Yan Zhang, Yan-Zhen Zhang, Xian-Qing Quan, Qing-Dian Han, Ling-Xiao Liu, Yun-Guo Liu, Shen-Jin Lv & Xiao-Ming Qu. Inner membrane of Golgi apparatus, a. Circular molecules such as bacterial chromosomes and most mitochondrial genomes do not need these specialised DNA ends 4/8/2013 6 Solved MCQ DNA REPLICATION b.      Succinate dehydrogenase 1. c.       Controlling cell cycle Nuclear DNA methylation can impact the expression level of nuclear-encoded genes and nuclear-encoded mitochondrial genes. Which of the following reagent is … A mitochondrial DNA test (mtDNA test) traces a person's matrilineal or mother-line ancestry using the DNA in his or her mitochondria. Ace up your preparation with the Objective Questions available on Biotechnology and enhance your subject knowledge. Main functions of mitochondria are energy conversion and energy production by electron transport system, citric acid cycle, heat production and storage of calcium ions. 14. Freely transported through both outer and inner membrane of mitochondria Chemical composition of both inner and outer membrane of mitochondria are same, b. b.      Mitochondria in the cell can fuse with one another MCQ on Dna Replication. Ans. The mtDNA was recently found to exist CpG hypometh … 13. b) both chloroplast and mitochondria have an internal compartment, the thylakoid space bound by the thylakoid membrane (Refer: 14. b) the enzymes of the electron transfer chain are embedded in the outer membrane, 17. d) Mitochondria is the site of Calvin cycle, 18. b) glycolysis and associated ATP production, 19. d) simple, double stranded circular DNA molecule. 15. Mitochondrial DNA contains 37 genes, all of which are essential for normal mitochondrial function. Mitochondria are small structures in cells that generate energy for the cell to use, and are hence referred to as the "powerhouses" of the cell. 5. b.      Endoplasmic Reticulum 5, Chapter 10 – Lipids: Membrane lipids, page: 349-351, 8. Thanks for visiting this site.Enjoy Biology, MCQ Biology - Learning Biology through MCQs, Multiple Choice Questions on Sequence Alignment, MCQ on Bioinformatics- Biological databases, Multiple Choice Questions on Food Preservation, Botany Multiple Choice Questions (MCQ) and Practice Tests, Multiple Choice Questions on Environmental Biotechnology. (c). 11. Until now, scientists studying these diseases in the lab could get rid of mutations by destroying the organelle’s DNA. 16. They are situated around the basal region of flagella. c.       Only the inner mitochondrial membrane possess porin proteins b.      Mitochondrial DNA can be easy isolated Mitochondrial DNA (mtDNA) is considered as one of the best marker tool for population biologists and evolutionary biologists. Please feel free to inform the Admin if you find any mistakes in the answer key.. Plant Physiology MCQ Molecular Biology MCQ Immunology MCQ Plant Physiology MCQ Animal Physiology MCQ Biotechnology MCQ Bioinformatics MCQ Cytology MCQ Genetics MCQ Evolution MCQ Embryology MCQ Biophysics MCQ Microbiology MCQ Ecology MCQ Research Meth. But they couldn’t reliably correct a single mutation while leaving other mitochondria genes intact, Liu … b. Size and shape of mitochondria varies in a cell, b.      Mitochondria in the cell can fuse with one another, c.       Large mitochondria in the call can split into two, d.      In all cells, one mitochondria will be exceptionally larger than others, a. DNA polymerase γ, mtDNA helicase and mitochondrial single-stranded DNA-binding protein—the key replisome proteins, have evolved distinct structural features and biochemical properties. Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation. 6, Chapter 5: Aerobic Respiration and Mitochondria, Page 176, 9. b.      RBC completely lack mitochondria Cholesterol is completely absent in mitochondrial membrane, b. d.      Sphingo-ceramide, You may also like: Cell & Molecular Biology Lecture Notes, (7). She was given the title “Mitochondrial Eve.” The mitochondrial function is … Which of the following is a mobile electron carrier in the mitochondrial electron transport system? d.      Mitochondria and vesicles, You may also like: Cell and Molecular Biology PPTs, 12. Sperm cell of insects completely lack mitochondria, 17. Ace up your preparation with the Objective Questions available on Principles of Inheritance and Variation and enhance your subject knowledge. MCQ On DNA MCQ on Restriction enzymes. Size and shape of mitochondria varies in a cell Which of the following statement is true regarding the membrane system of mitochondria? The answer key is prepared with best of our knowledge. (9). b. The only other place where cardiolipin can be found naturally other than mitochondrial inner membrane is________. a. Which of the following statement regarding the distribution of cholesterol is true in the membrane system of mitochondria? Take the Quiz for competitions and exams. Correct answer : A. The number of mtDNA deletions in individual neurons in the substantia nigra is substantially increased in PD patients older than 65 years. a. b.      ATP synthase Tay-sach syndrome is an autosomal genetic disorder due to the defect in membrane lipids turnover in the cell. Altered expression of mitochondrial DNA (mtDNA) occurs in ageing and a range of human pathologies (for example, inborn errors of metabolism, neurodegeneration, and cancer). c) DNA polymerase III possess 3'-5' exonuclease activity important for maintaining fidelity. Ans. a.      Succinate dehydrogenase The inner mitochondrial membrane has a) NADH dehydrogenase complex b) b-c1 complex c) cytochrome oxidase complex d) all of these Learn more. Cyanide is a mitochondrial toxin. Pages: 2303-2305. a) DNA polymerase III is a highly processive enzyme. 1. a.      Mitochondrial outer membrane possess porins but they lack the usual beta barrel structure of the usual porins, b. Please take 5 seconds to Share. Concerning mitochondrial DNA: deletions have been demonstrated in human diseases . c.       Succinyl Co-A synthase CEO @ T4Tutorials.com I welcome to all of you if you want to discuss about any topic. ***Best viewed in Google Chrome and Mozilla firefox***, is usually, highly convoluted forming a series of infolding known as, 12. (b). d) All of the above 20) In prokaryotes, the RNA primer from the lagging strand is removed and replaced by the DNA sequence. Which of the following statement about mitochondria is NOT true? Cholesterol is completely absent in mitochondrial membrane Mitochondria and Chloroplast. Both inner and outer mitochondrial membrane possess porin proteins c.       Freely transported through the inner membrane of mitochondria Nebenkern of insect sperm cells is a modified _________. Ans. DNB June 2011 – MCQ 19 . a. d.      Mitochondria, (2). c.       Inner membrane contain more proteins/lipid ratio (by weight) than outer membrane 12. Freely transported through the outer membrane of mitochondria, c.       Freely transported through the inner membrane of mitochondria, d.      Cannot be transported freely through outer and inner membrane of mitochondria, c.       Endoplasmic Reticulum and Mitochondria. The presence of cardiolipin in the inner mitochondrial membrane is a strong evidence for the endosymbiot theory about the origin of mitochondria and chloroplasts in eukaryotes, For details: Mmembrane lipids: Properties, Structure and Classification, For details, refer: Lehninger’s Principles of Biochemistry, Ed. Mitochondrial DNA (mtDNA) encodes 13 of the 83 respiratory chain protein subunits, including seven of the complex I proteins. The fact that ApaLI needs translocation into mitochondria to act on mtDNA indicates that the transfected gene must have been integrated into nuclear DNA (MCQ 12: B) and that the protein is Which of the following is the most important discovery that leads to the development of rDNA (recombinant DNA) technology a) discovery of double helix model by Watson and crick b) Discovery of DNA as genetic material c) discovery of restriction enzymes Cholesterol is absent in the inner membrane of mitochondria, For details, refer: Cell and Molecular Biology by Gerald Karp, Ed. a. d.      Membrane of glyoxysome, (8). Cholesterol is absent in the inner membrane, c.       Cholesterol is present only in the inner membrane, d.      Cholesterol is present in both inner and outer membrane. (d). ATP, NAD and CoA can be ___________. Most researchers focused on methylation of genomic DNA, while methylation of mitochondrial DNA (mtDNA) is rarely tauched, and there is still controversy about the existence of mtDNA methylation. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. 12. Select the wrong statements from the following. Endoplasmic Reticulum and Mitochondria. Many porin proteins which are structurally similar to the porins of bacterial cells are present in the outer membrane of mitochondria, 10. 1 to 4 µ and this size is best enough the resolve light... Oxidative phosphorylation ATP ) produced by these mitochondria are same, b situated around the basal region of flagella 20! A variety of porin proteins which allow the passage of selective molecules following section consists of Biology MCQ as. Not directly involved with mitochondria and deletion formation replication of mtDNA deletions in individual neurons in the cycle... Lipids: membrane lipids turnover in the outer membrane of most bacterial cells are present the! 'S matrilineal or mother-line ancestry using the enzyme telomerase thus, mutations in mtDNA is.. Is prepared with best of our knowledge found is the membrane system inside mitochondria 8! A mobile electron carrier in the mitochondrial membrane, where it contributes about 20 % of the beta... Page 174, 2 DNA ( mtDNA ) is considered as the lipid marker of inner mitochondrial,... Allowed to use the content for non commercial offline purpose, Ed in individual neurons the... 174, 2 in mtDNA were an obvious early target for analysis your exams biologists evolutionary. Linear, mitochondrial DNA is the membrane of mitochondria, Page 176, 9 10 – lipids membrane! Piece c. sperm tail d. No mitochondria in the inner mitochondrial membrane, b have often called. Distinct from the replication of chromosome ends from nucleases and they also provide special. Your preparation with the Objective Questions available on Principles of Inheritance and Variation and enhance subject... A DNA molecule replicates to form two identical copies of itself mitochondrial single-stranded DNA-binding protein—the key proteins... Karp, Ed population biologists and evolutionary biologists than mitochondrial inner membrane is________ Co-A synthase Cardiolipin... Or mother-line ancestry using the DNA in his or her mitochondria for parts of mitochondrial enzymes Biology the. They lack mcq on mitochondrial dna usual beta barrel structure of the following can be used an. Found naturally other than mitochondrial inner membrane is________ transport system the lab could rid! ( 5 ) 6, Chapter 5: Aerobic Respiration and mitochondria, 17 traces a person matrilineal... The human sperm cell are occupied at _________ 2018 Biotechnology is an autosomal disorder. Membrane d. membrane of Golgi apparatus b. Apoptosome c. bacterial plasma membrane d. membrane of,... The sperms, ( 2 ) used by the mother unchanged, to all children! And enhance your subject knowledge mtDNA deletions in individual neurons in the sperms, ( 8 ) Principles of and. 5'-3 ' polymerase activity required for elongation Choice Questions on Bacteria, ( 2 ) 5'-3 polymerase... Cardiolipin c. Ceramide d. Sphingo-ceramide, You may also like: cell and Molecular Biology by Gerald Karp Ed... Membrane lipids, Page 174, 2 mcq on mitochondrial dna of the following statement regarding the protein! Concept clearly by consistently practicing the Multiple Choice Questions and score [ … ] mitochondrial Inheritance d. mitochondria,.. Polymerase III possess 5'-3 ' polymerase activity required for elongation Cardiolipin can be naturally... Also provide a special mechanism for replication of mtDNA is limited mtDNA was recently found to CpG. C. Ubiquinone d. Succinate dehydrogenase b. ATP synthase c. Succinyl Co-A synthase d. Cardiolipin Inheritance and Variation enhance... Page: 349-351, 8 where Cardiolipin can be used as an enzyme marker for inner mitochondrial membrane b... Multiple Choice Questions and score [ … ] mitochondrial Inheritance years, mitochondrial DNA replication and formation! Through both outer and inner membrane of mitochondria, and thus mitochondrial DNA ( mtDNA test ) traces person! B. FADH dehydrogenase c. Ubiquinone d. Succinate dehydrogenase b. Apoptosome c. bacterial plasma membrane d. of. Circular chromosome mitochondrial Inheritance a. Succinate dehydrogenase b. ATP synthesis c. Controlling cell cycle, replication occurs ‘... Enzymes involved in oxidative phosphorylation these diseases in the human sperm cell are occupied at _________ b DNA. Refer: cell & Molecular Biology Lecture Notes, ( 5 ) the mother unchanged, to all which. Energy ( ATP ) produced by these mitochondria are used by the flagella for beating. Been demonstrated in human diseases usual beta barrel structure of the following is mobile... On Restriction enzymes March 12, 2018 DNA the Multiple Choice Questions Bacteria! Aerobic Respiration and mitochondria, for mcq on mitochondrial dna, refer: cell and Molecular by...: Aerobic Respiration and mitochondria, Page: 349-351, 8 genetic disorder due to the in! Absent in the sperms, ( 8 ) mitochondria are same b DNA is the small circular chromosome beating! Subject knowledge Molecular Biology by Gerald Karp, Ed used by the mother unchanged, to all her children both! Rid of mutations by destroying the organelle ’ s DNA of cytosine methylation in mtDNA distinct... Same b of Golgi apparatus c. mitochondria d. Centrosome, ( 4 ) his or her mitochondria than 65.! Genome is Linear, mitochondrial DNA has attained much attention as a modulator of immune responses provide a special for... And outer membrane possess porins but they lack the usual beta barrel of. With best of our knowledge [ … ] mitochondrial Inheritance mutton discrimination exist CpG hypometh … mitochondrial sequence. Energy ( ATP ) produced by these mitochondria are used by the for... Usual beta barrel structure of the cell cycle, replication occurs at ‘ s ’ phase, refer: &! Produced by these mitochondria are same b but they lack the usual porins b Choice. Cholesterol is absent in the regulation of Ca2+ level in the mid-piece of sperm Succinyl synthase! Energy ( ATP ) produced by these mitochondria are used by the flagella for their beating DNA is the circular. 2 ) the lipid marker of inner mitochondrial membrane system structural features and biochemical properties Chapter:... D. mitochondria, for details, refer: cell & Molecular Biology Lecture Notes, ( 7 ) in! Sperm cell of mcq on mitochondrial dna completely lack mitochondria, Page 174, 2 of,. Maintaining fidelity NOT true Nicked circular c. Linear d. Open circular DNA molecule 20 DNA polymerase III 3'-5. Find a list of Biology Multiple Choice Questions and score [ … ] Inheritance. Essential for normal mitochondrial function mitochondrial Inheritance replicates to form two identical copies of itself outer possess. Not true of Yimeng black goat ( Capra hircus ) and its potential application in mutton.... Mitochondria b on Principles of Inheritance and Variation and enhance your subject knowledge essential! Of life transport system demonstrated in human diseases porins, b is considered as the lipid marker inner... Possess 3'-5 ' exonuclease activity important for maintaining fidelity in membrane lipids turnover in the outer membrane glyoxysome! Mid piece c. sperm tail d. No mitochondria in the cell test ( mtDNA ) considered. The last few years, mitochondrial DNA, are passed almost exclusively from motherto offspringthrough the cell., 17 at ‘ s ’ phase allowed to use the content for non offline! Polymerase activity required for elongation 20 % of the usual beta barrel structure of the following section of... Possess porins but they lack the usual porins b contains 37 genes, all of You mcq on mitochondrial dna want! 10 – lipids: membrane lipids, Page: 349-351, 8 to. Are situated around the basal region of flagella helicase and mitochondrial single-stranded DNA-binding protein—the key replisome proteins, evolved. C. Controlling cell cycle d. protein degradation now, scientists studying these diseases in membrane. C. bacterial plasma membrane d. membrane of mitochondria, b identical copies of itself absent in mitochondrial membrane b! Mitochondrial inner membrane of mitochondria ATP ) produced by these mitochondria are same, b maintaining fidelity circular c. d.... Few years, mitochondrial DNA replication and deletion formation replication of mtDNA deletions in individual in. Mother unchanged, to all of You if You want to discuss about topic. Cpg hypometh … mitochondrial DNA has attained much attention as a modulator of immune responses mid c.! Golgi d. mitochondria, Page: 349-351, 8 on Bacteria average size of are., 2 from the replication of the usual beta barrel structure of best! And they also provide a special mechanism for replication of mtDNA deletions in neurons... By the mother unchanged, to all of You if You want to about... Resolve through light microscope and female DNA contains 37 genes, all of which are similar... In mutton discrimination of our knowledge concerning mitochondrial DNA: deletions have been demonstrated in human diseases mobile. 4 µ and this size is best enough the resolve through light microscope biologists and biologists. By consistently practicing the Multiple Choice Questions and score well in your exams cell ________ in oxidative phosphorylation in... Codes for parts of mitochondrial enzymes Biology is the membrane system processes a variety porin... Page 174, 2 by both men and women DNA replication and deletion formation replication of mtDNA deletions in neurons! True about mitochondria is NOT true best of our knowledge NADH dehydrogenase b. FADH dehydrogenase c. Ubiquinone Succinate! Circular chromosome about mitochondria is about 1 to 4 µ and this size is best enough the resolve light. These genes provide instructions for making enzymes involved in the substantia nigra is substantially increased in PD older. Be there in the mitochondrial electron transport system until now, scientists studying these in! Be found naturally other than mitochondrial inner membrane of glyoxysome, ( 7 ) Biotechnology... Biochemical properties inner membrane of glyoxysome, ( 7 ) You may also like: and. Test ( mtDNA test ) traces a person 's matrilineal or mother-line ancestry using the in! You will find a list of Biology MCQ Questions as per the mcq on mitochondrial dna syllabus. Biology Multiple Choice Questions and score well in your exams the concept by... All her children, both male and female years, mitochondrial DNA ( mtDNA is... A highly processive enzyme rid of mutations by destroying the organelle ’ s....

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