Multiple Choice
Glucokinase has a Km value of 10.0 mM, whereas hexokinase has a Km value of 0.1 mM. This is consistent with which of the following?
A) glucokinase acts on glucose at low concentrations.
B) glucokinase acts on glucose only at high glucose concentrations.
C) glucokinase phosphorylates most of the glucose at low glucose levels.
D) hexokinase acts on glucose only at high levels of glucose.
E) hexokinase acts at about half-maximal velocity at glucose concentrations of 4-5 mM.
Correct Answer:
Verified
Correct Answer:
Verified
Q57: Compare the G values of different steps
Q58: Discuss the fate of pyruvate.
Q59: UDP-galactose is converted to UDP-glucose by the
Q60: Which of the following enzymes is inhibited
Q61: In alcohol fermentation from glucose, the two
Q62: For phosphofructokinase-1:<br>A) Low ATP stimulates the enzyme,
Q63: Addition of water across a double bond,
Q64: Dihydroxyacetone phosphate is:<br>A) an aldotriose.<br>B) an enantiomer
Q66: PEP and 2-PG have similar amounts of
Q67: NADH, _ and _ are products of