Synthesis And Degradation Of Nucleotides - Biochemistry

Course

Biochemistry

Study Pack

Set 1: The Facts of Life: Chemistry Is the Logic of Biological Phenomena

Set 2: Water: the Medium of Life

Set 3: Thermodynamics of Biological Systems

Set 4: Amino Acids

Set 5: Proteins: Their Primary Structure and Biological Functions

Set 6: Proteins: Secondary, tertiary, and Quaternary Structure

Set 7: Carbohydrates and the Glycoconjugates of Cell Surfaces

Set 8: Lipids

Set 9: Lipid Biosynthesis

Set 10: Membranes and Membrane Transport

Set 11: The Reception and Transmission of Extracellular Information

Set 12: Enzymes Kinetics and Specificity

Set 13: Mechanisms of Enzyme Action

Set 14: Enzyme Regulation

Set 15: Molecular Motors

Set 16: Nutrition and the Organization of Metabolism

Set 17: Glycolysis

Set 18: The Tricarboxylic Acid Cycle

Set 19: Electron Transport and Oxidative Phosphorylation

Set 20: Photosynthesis

Set 21: Gluconeogenesis, glycogen Metabolism, and the Pentose Phosphate Pathway

Set 22: Fatty Acid Catabolism

Set 23: Nitrogen Acquisition and Amino Acid Metabolism

Set 24: Nucleotides and Nucleic Acids

Set 25: Structure of Nucleic Acids

Set 26: Synthesis and Degradation of Nucleotides

Set 27: Recombinant Dna: Cloning and Creation of Chimeric Genes

Set 28: DNA Metabolism: Replication, recombination, and Repair

Set 29: Transcription and the Regulation of Gene Expression

Set 30: Protein Synthesis

Set 31: Post-Transcriptional Regulation of Gene Expression

Set 32: Completing the Protein Life Cycle: Folding, processing, and Degradation

Set 33: Metabolic Integration and Organ Specialization

Set 26 Synthesis And Degradation Of Nucleotides

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Set 26 Synthesis And Degradation Of Nucleotides

Question 1

(Multiple Choice)

Free

Which of the following is the limiting substance in the biosynthesis of purines?

A)ribose-5-phosphate
B)5-phosphoribosyl-b-amine
C)formylglycinamidine ribonucleotide
D)5-phosphoribosyl-a-pyrophosphate (PRPP)

Answer

Question 2

(Multiple Choice)

Free

Which of the following enzyme activities is deficient in about 30% of severe combined immunodeficiency syndrome (SCIDS)patients?

A)HGPRT
B)nucleosidase
C)nucleoside phosphorylase
D)adenosine deaminase

Answer

Question 3

(Multiple Choice)

Free

Which of the following compounds is the common product of purine catabolism?

A)xanthine
B)uric acid
C)inosine
D)hypoxanthine

Answer