25/11/2024 13:32PM
BIOC 3021 Unit 3 Questions and Answers
When glucose is metabolized to carbon dioxide what percentage of the available energy is
captured as chemical energy in the form of ATP? - Answers✓✓30%
Catabolic pathways such as glycolysis often trap energy in the biochemical intermediates: -
Answers✓✓NADH, ATP
Which biochemical intermediate is the most oxidized? - Answers✓✓CO2
Which single reaction in glycolysis is bypassed by two reactions in gluconeogenesis? -
Answers✓✓conversion of PEP to pyruvate by pyruvate kinase
Which enzyme in glycolysis converts a six carbon intermediate into two three carbon
intermediates? - Answers✓✓aldolase
Why is the lactate dehydrogenase reaction an important addition at the end of the glycolysis
pathway? - Answers✓✓It allows glycolysis to proceed under anaerobic conditons
What activates monosaccharides and gives polysaccharide formation a favorable free energy
change? - Answers✓✓formation of nucleotide derivatives
In the regulation of glycogen metabolism what is the first factor activated after epinephrine
binds to an extracellular receptor? - Answers✓✓G protein