During the cell cycle, replication occurs at ‘S’ phase. (d). a. d.      Cardiolipin. Freely transported through both outer and inner membrane of mitochondria 10. Sperm head Ace up your preparation with the Objective Questions available on Principles of Inheritance and Variation and enhance your subject knowledge. d.      Leber’s hereditary optic neuropathy. Nebenkern of insect sperm cells is a modified _________. 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… Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation. d.      Malate dehydrogenase. Ans. 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. 13. d.      Mitochondria, (2). a. Ans. 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 11. Thus, mutations in mtDNA were an obvious early target for analysis. 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. d.      Succinate dehydrogenase. 6, Chapter 5: Aerobic Respiration and Mitochondria, Page 174, 2. b.      Tay-sach syndrome Nuclear DNA methylation can impact the expression level of nuclear-encoded genes and nuclear-encoded mitochondrial genes. DNA polymerase γ, mtDNA helicase and mitochondrial single-stranded DNA-binding protein—the key replisome proteins, have evolved distinct structural features and biochemical properties. d.      Protein degradation. Many spirally coiled mitochondria will be there in the mid-piece of sperm. a.      Ribosome 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 The only enzyme in citric acid cycle (Kreb’s cycle) which is attached to the inner mitochondrial membrane is: Which of the following membrane lipid constituent can be considered as the lipid marker of inner mitochondrial membrane? Oxysomes of F0-F1 particles occur on. (d). mtDNA is passed down by the mother unchanged, to all her children, both male and female. MCQ On DNA MCQ on Restriction enzymes. The average size of mitochondria is about 1 to 4 µ and this size is best enough the resolve through light microscope. b.      ATP synthesis Freely transported through both outer and inner membrane of mitochondria, b. (c) macromolecules breakdown. (The maximum limit of resolution of light microscope is ~ 0.2µ), For details, refer: Cell and Molecular Biology by Gerald Karp, Ed. Biology is the study of life. (c). Which of the following cellular event is NOT directly involved with mitochondria? c.       Inner membrane contain more proteins/lipid ratio (by weight) than outer membrane b.      Cardiolipin d.      In all cells, one mitochondria will be exceptionally larger than others, (3). 19. MCQ on Dna Replication. (1). b.      FADH Dehydrogenase But they couldn’t reliably correct a single mutation while leaving other mitochondria genes intact, Liu … Chemical composition of both inner and outer membrane of mitochondria are same The reason for this is: a.      Mitochondrial DNA undergo spontaneous mutation 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. Main functions of mitochondria are energy conversion and energy production by electron transport system, citric acid cycle, heat production and storage of calcium ions. a. 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. Ans. (a) oxidation reduction reaction. c.       Bacterial plasma membrane c.       MELAS syndrome 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. While the nuclear genome is linear, mitochondrial DNA is a small circular chromosome. Please Share with Your Friends... a. Closed circular. b.      RBC completely lack mitochondria Oxidative phosphorylation is a process that uses oxygen and simple sugars to create adenosine triphosphate (ATP), the cell's main energy source. Mid piece 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. Circular DNA molecule 20 10 – lipids: membrane lipids turnover in mid-piece... You may also like: cell and Molecular Biology by Gerald Karp, Ed in mutton discrimination Aerobic and! 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