#Question id: 540
#Unit 1. Molecules and their Interaction Relevant to Biology
During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD+ if glycolysis is to continue. The most important reaction involved in the reoxidation of NADH is:
#Question id: 539
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following mutases catalyze the formation of a 2,3-BPG intermediate?
A) muscle phosphoglycerate mutases
B) plant phosphoglycerate mutases
C) yeast phosphoglycerate mutases
#Question id: 538
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statements are correct about cells that form ATP mainly by glycolysis are
A) anaerobic yeasts.
B) lactic acid bacteria.
C) kidney medulla cells.
#Question id: 537
#Unit 1. Molecules and their Interaction Relevant to Biology
Substrate level phosphorylation
A) describes the conversion of ADP into ATP with the addition of inorganic phosphate every place throughout the cell.
B) describes the formation of ADP by phosphoryl group transfer from 1,3 bisphosphoglycerate.
C) is the formation of ATP by phosphoryl group transfer from a higher energy compound.
#Question id: 536
#Unit 1. Molecules and their Interaction Relevant to Biology
Glucose 6-phosphate allosterically inhibits
A) hexokinase I.
B) glucokinase.
C) hexokinase II.
#Question id: 535
#Unit 1. Molecules and their Interaction Relevant to Biology
In some diabetic patients, glucose increases disproportionately and is unresponsive to an insulin challenge; under these conditions, how would oneʹs liver normally respond?
A) phosphorylating glucose for entry into the glycolytic pathway
B) saturating glucokinase with glucose
C) phosphorylating glucose for entry into the glycogen synthesis pathways