MCQ Biology - Learning Biology through MCQs, AllRightsReserved. (Questions 1-5) 1._____ Which structural feature is shared by both uracil and thymine? Nucleic acid - Nucleic acid - Nucleic acid metabolism: Replication, repair, and recombination—the three main processes of DNA metabolism—are carried out by specialized machinery within the cell. a) DNA is more stable than RNA in alkaline condition because of the presence of 3’OH, b) DNA is more stable than RNA in alkaline condition because of the presence of 2’ H compared to RNAs 2’OH, c) RNA is more stable than DNA in alkaline condition because of the presence of 2’ and 3’OH compared to DNAs 2’H and 3’OH, d) Both are equally stable in alkaline condition, 9. Because DNA is a highly charged polyanion, its stability to heat denaturation. Metabolism Multiple Choice Questions and Answers (MCQs) exam book is a revision guide with a collection of trivia quiz questions and answers on topics: Integration of metabolism, introduction to metabolism, metabolism of amino acids, metabolism of carbohydrates, metabolism of lipid, metabolism of nucleic acids, mineral metabolism to enhance teaching and learning. b) Nucleosides Group of adjacent nucleotides are joined by ____________ it includes the following chapters >>CARBOHYDRATES AND CARBOHYDRATE METABOLISM >>PROTEINS AND PROTEIN METABOLISM >>FATS AND FATTY ACID METABOLISM >>VITAMINS >>ENZYMES >>MINERAL METABOLISM >>HORMONE METABOLISM >>NUCLEIC ACIDS >>WATER … Write. d) At acidic or alkaline pH the bases become charged and their solubility in water decreases ***Best viewed in Google Chrome and Mozilla firefox***, 2. spareluck. Created by. Learn. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Biochemistry multiple choice questions and answers PDF exam book to download is a revision guide with solved trivia quiz questions and answers on topics: Biomolecules and cell, carbohydrates, enzymes, lipids, nucleic acids and nucleotides, proteins and amino acids… To practice all areas of Biochemistry, here is complete set of 1000+ Multiple Choice Questions and Answers. In free nucleotides, N2 bases are much more exposed and free so high A260 than ss and ds DNA. a) a sugar + a phosphate d) a base + a sugar + phosphate Terms in this set (42) The compound that consists of ribose linked by an N-glycosidic bond to N-9 of adenine is: A) a deoxyribonucleoside. What is the composition of nucleoside? c) Amino acids d) Cytosine Purine catabolism pathway is one of the Nucleic acid Metabolism. Next Introduction to the Pharmacology of Airway Disease MCQ. c) Guanine What is an activator of the enzyme “Glutamine: Phosphoribosylpyrophosphate amidotransferase” a committed step of de novo biosynthesis of purines? 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, Multiple Choice Questions on Microbiology - Bacteria, Multiple Choice Questions on Environmental Biotechnology. Dehydration of DNA samples may induce the formation of, 10. Fat and protein metabolism questions If you're seeing this message, it means we're having trouble loading external resources on our website. What is the composition of nucleotide? Metabolism is the set of life-sustaining chemical reactions in organisms. Biology MCQ-05: Biochemistry: Amino Acids: Part 1 for JRF/NET Life Science Examination. 8- b) DNA is more stable than RNA in alkaline condition because of the presence of 2’ H compared to RNAs 2’OH, 11- d) less stable than RNA-RNA hybrid and DNA-DNA hybrid. c) 5’-phosphate group of one nucleotide unit is joined to the 5’-hydroxyl group of the next nucleotide B. B) a purine nucleotide. Lecture 21: Carbohydrates - I; Lecture 22 Carbohydrates - II; WEEK 11. ... Physiology and Metabolism (12) Physiology MCQ (4) Plant Anatomy (62) Plant Anatomy (17) Plant Pathology (10) Plant … Metabolism of Nucleic Acids Quiz: 36 Multiple Choice Questions. a) 5’-phosphate group of one nucleotide unit is joined to the 3’-hydroxyl group of the next nucleotide Nucleic acid metabolism is the process by which nucleic acids (DNA and RNA) are synthesized and degraded.Nucleic acids are polymers of nucleotides.Nucleotide synthesis is an anabolic mechanism generally involving the chemical reaction of phosphate, pentose sugar, and a nitrogenous base.Destruction of nucleic acid is a catabolic reaction.