CARBOHYDRATE QUIZ

Which of the following does not occur during gluconeogenesis?

The conversion of pyruvate to phosphoenolpyruvate (PEP)

The decarboxylation of oxaloacetate to phosphoenolpyruvate

The carboxylation of pyruvate to oxaloacetate

The conversion of PEP to fructose bisphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following compounds is responsible for coordinated regulation of glucose and glycogen metabolism?

NAD+

Acetyl-CoA

Fructose 1,6 bisphosphate

Fructose 2,6 bisphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following enzymes plays an important role in the Cori " cycle?

Glucose-6-phosphate dehydrogenase

Lactate dehydrogenase

Glucose isomerase

Glucokinase

TRUE ANSWER : ?
YOUR ANSWER : ?

The ultimate source of energy that sustains living systems is

oxygen

carbon dioxide

sunlight

glucose

TRUE ANSWER : ?
YOUR ANSWER : ?

Two major products of pentose phosphate pathway are

flavine adenine dinuclueotide and glucose 5-phosphate

FAD and CoA

NADPH and NAD

nicotinamide adenine dinucleotide and ribose 5-phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

A catabolic intermediate which stimulates phosphofructokinase would stimulate

gluconeogenesis

none of these

glycogen synthesis

glycolysis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a disaccharide?

Cellobiose

Amylose

None of these

Lactose

TRUE ANSWER : ?
YOUR ANSWER : ?

Storage polysaccharide made by animals is

amylopectin

cellulose

glycogen

collagen

TRUE ANSWER : ?
YOUR ANSWER : ?

The NAG6 substrate is hydrolyzed by human lysozyme to form

6 glucosamines + 6 acetic acids

NAG3

NAG4 + NAG2

NAG3 + NAG3

TRUE ANSWER : ?
YOUR ANSWER : ?

Each reaction in a metabolic pathway is

controlled by the end product

irreversible

catalyzed by a specific enzyme

reversible

TRUE ANSWER : ?
YOUR ANSWER : ?

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