Podcast
Questions and Answers
What is the main structural difference between a nucleotide and a nucleoside?
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?
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?
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?
Which molecule is NOT a function of nucleotides?
Which coenzyme is NOT derived from nucleotides?
Which coenzyme is NOT derived from nucleotides?
What is the precursor molecule for purine synthesis?
What is the precursor molecule for purine synthesis?
Which compound donates an amino group during purine synthesis?
Which compound donates an amino group during purine synthesis?
What is the cost of ATP in purine synthesis to form the first ring structure?
What is the cost of ATP in purine synthesis to form the first ring structure?
Which nucleotide is a precursor for GMP and AMP?
Which nucleotide is a precursor for GMP and AMP?
Which energy molecule is required for AMP synthesis?
Which energy molecule is required for AMP synthesis?
Flashcards
Nucleotide vs. Nucleoside
Nucleotide vs. Nucleoside
A nucleotide is a nucleoside with one or more phosphate groups attached.
De novo nucleotide synthesis
De novo nucleotide synthesis
The process of creating nucleotides from simpler precursors, not from pre-formed bases.
PRPP synthesis pathway
PRPP synthesis pathway
PRPP (5-phosphoribosyl-1-pyrophosphate) is created through the pentose phosphate pathway.
