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BIO3110 LECTURE 7: Section 1: Nucleotides

10 Questions

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BIO3110 LECTURE 7: Section 1: Nucleotides

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Questions and Answers

What is the main structural difference between a nucleotide and a nucleoside?

Presence of a phosphate group (correct)

Presence of a sugar molecule

Absence of a base

Extra ribose ring

Which process involves the synthesis of nucleotides from basic precursors?

Salvage pathway

De novo synthesis (correct)

Pentose phosphate pathway

Glycolysis

PRPP is synthesized from which metabolic pathway?

Glycolysis

Pentose phosphate pathway (correct)

Citric acid cycle

Urea cycle

Which molecule is NOT a function of nucleotides?

Building blocks for proteins Signup and view all the answers

Which coenzyme is NOT derived from nucleotides?

Biotin Signup and view all the answers

What is the precursor molecule for purine synthesis?

Ribose 5-phosphate Signup and view all the answers

Which compound donates an amino group during purine synthesis?

Glutamine Signup and view all the answers

What is the cost of ATP in purine synthesis to form the first ring structure?

5 ATP Signup and view all the answers

Which nucleotide is a precursor for GMP and AMP?

IMP Signup and view all the answers

Which energy molecule is required for AMP synthesis?

GTP Signup and view all the answers