GLYCOLYSIS QUIZ

The amount of energy received from one ATP is

760 kcal

76 kcal

1000 kcal

7.3 kcal

TRUE ANSWER : ?
YOUR ANSWER : ?

The active form of glycogen phosphorylase is phosphorylated, while the dephosphorylation of which active form occurs?

Glycogen semisynthase

Glycogen synthase

Glycogen dehydrogenase

Glycogen hydrolase

TRUE ANSWER : ?
YOUR ANSWER : ?

The released energy obtained by oxidation of glucose is stored as

NAD+

a concentration gradient across a membrane

ADP

ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

During glycolysis, the major energy generating step involves

phosphoglycerate kinase

pyruvate kinase

glyceraldehyde-3 -dehydrogenase

Phosphofructokinase

TRUE ANSWER : ?
YOUR ANSWER : ?

In the glycogen synthase reaction, the precursor to glycogen is

glucose-6-P

UDP-glucose

glucose-1-P

UTP-glucose

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a mechanism for altering the flux of metabolites through the rate-determining step of a pathway?

Genetic control of the enzyme concentration

Allosteric control of the enzyme activity

Diffusional coupling between adjacent active sites

Covalent modification of the enzyme

TRUE ANSWER : ?
YOUR ANSWER : ?

For every one molecule of sugar glucose which is oxidized __________ molecule of pyruvic acid are produced.

3

1

2

4

TRUE ANSWER : ?
YOUR ANSWER : ?

Glycolytic pathway regulation involves

feedback, or product, inhibition by ATP

allosteric stimulation by ADP

allosteric inhibition by ATP

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

ATP is from which general category of molecules?

Polysaccharides

Amino acids

Proteins

Nucleotides

TRUE ANSWER : ?
YOUR ANSWER : ?

The glycolytic pathway (glucose → 2 pyruvate) is found

primarily in animals excluding particles

only in yeast

in all living organisms

only in eukaryotes

TRUE ANSWER : ?
YOUR ANSWER : ?

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