GLYCOLYSIS QUIZ

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

Glycogen dehydrogenase

Glycogen semisynthase

Glycogen synthase

Glycogen hydrolase

TRUE ANSWER : ?
YOUR ANSWER : ?

Fructose-2,6-bisphosphate

both (b) and (c)

inhibits fructose-1,6-bisphosphatase

activates fructose-1,6-bisphosphatase

activates phosphofructokinase

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YOUR ANSWER : ?

Which of the following could act as an uncoupler of electron transport and ATP synthesis?

neither (a) nor (b)

Dinitrophenol

The Fo base-piece of ATP synthase (without the Fl subunit)

Both (a) and (b)

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YOUR ANSWER : ?

ATP is from which general category of molecules?

Amino acids

Polysaccharides

Nucleotides

Proteins

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YOUR ANSWER : ?

The released energy obtained by oxidation of glucose is stored as

ATP

ADP

NAD+

a concentration gradient across a membrane

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YOUR ANSWER : ?

A kinase is an enzyme that

removes water from a double bond

uses ATP to add a phosphate group to the substrate

removes phosphate groups of substrates

uses NADH to change the oxidation state of the substrate

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YOUR ANSWER : ?

During catabolism, only about 40% of the energy available from oxidizing glucose is used to synthesize ATP. Remaining 60%

is used to reduce NADP

remains in the products of metabolism

is lost as heat

is stored as fat.

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphofructokinase, the major flux-controlling enzyme of glycolysis is allosterically inhibited and activated respectively by

Citrate and ATP

ATP and ADP

AMP and Pi

ATP and PEP

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YOUR ANSWER : ?

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

1

2

3

4

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The glycolytic pathway (glucose → 2 pyruvate) is found

only in yeast

only in eukaryotes

primarily in animals excluding particles

in all living organisms

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YOUR ANSWER : ?

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