CARBOHYDRATE QUIZ

Storage polysaccharide made by animals is

amylopectin

glycogen

cellulose

collagen

TRUE ANSWER : ?
YOUR ANSWER : ?

Cellulose fibers resemble with the protein structure in the form of

α-helices

None of these

β-sheets

β-turns

TRUE ANSWER : ?
YOUR ANSWER : ?

What is present in the stomach to prevent self-digestion?

Mucus

hormones

Enzymes

acid

TRUE ANSWER : ?
YOUR ANSWER : ?

The process not involved in the formation of glucose by gluconeo-genesis is

the conversion of lactate to pyruvate

the conversion of oxaloacetate to glucose

the dephosphorylation of glucose-6-phosphate

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

How many ATP equivalents per mole of glucose input are required for gluconeogenesis?

6

8

4

2

TRUE ANSWER : ?
YOUR ANSWER : ?

Fructose diphosphate accumulation would

inhibit glycolysis and gluconeogenesis

stimulate glycolysis and inhibit gluconeogenesis

inhibit glycolysis and stimulate gluconeogenesis

stimulate glycolysis and gluconeogenesis

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrolysis of lactose yields

glucose and fructose

galactose and fructose

fructose and galactose

galactose and glucose

TRUE ANSWER : ?
YOUR ANSWER : ?

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

NAD+

Fructose 1,6 bisphosphate

Fructose 2,6 bisphosphate

Acetyl-CoA

TRUE ANSWER : ?
YOUR ANSWER : ?

Citric acid accumulation would

inhibit phosphofructokinase activity

both (b) and (c)

stimulate fructose 1,6 diphosphatase activity

stimulate phosphofructokinase activity

TRUE ANSWER : ?
YOUR ANSWER : ?

Patients suffering from Von Gierke's disease are unable to perform gluconeogeneis because they have a defective

glucose 6 phosphatase

pyruvate carboxylase

none of these

lactate dehydrogenase

TRUE ANSWER : ?
YOUR ANSWER : ?

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