MCQ 1

Question 1

In the lining of the stomach walls what type of cell is responsible for the production of pepsinogen?

Answer 1

Chief cells

Question 2

In which section of the human digestive system does the main digestion of carbohydrates take place?

Answer 2

The small intestine

Question 3

what have lipids been catabolized into by the time they enter the small intestine

Answer 3

Triacygycerols

Question 4

During anaerobic glycolysis, glucose is oxidised to pyruvate which is then reduced to ——— and concurrently regenerates ——

Answer 4

Lactate, NAD+

Question 5

ATP + ? –> + Pi + Energy (? kcal per mole)

Answer 5

H20, 7.3

Question 6

The enzyme acetaldehyde dehydrogenase is an example of

Answer 6

an oxidoreductase

Question 7

In the induced fit model of enzyme activity

Answer 7

Binding of the substate to a flexible enzyme active site results in changes in the structure of the substate

Question 8

Temperature has a profound effect on the catalytic effect of enzyme because

Answer 8

Temperature affects the conformation at the active site and thus the ability of the enzyme to bind the substate