Assignment Two: Enzymes Animation Questions

Enzyme Animation Questions

1. Enzymes are

a)lipids

b)proteins

c)carbohydrates

d)nucleic acids

e) steroids

answer: b)proteins

2. Which of the following binds to the active site of an enzyme?

a)water

b)product

c)substrate

d)any other enzyme

e)none of the above

answer: c)substrate

3. Which of the following correctly represents the mechanism of enzyme function?

a)S+P -> E-P ->E + P

b)E+P -> E-P->E-S-> E + S

c)E+P -> E-S -> E-P ->E + P

d)E+S -> E-S ->E-P -> E + P

e)E+S -> E-P ->E-S -> E+ S

answer: D

4. An enzyme can only bind one reactant at a time.

a)True

b)False

answer: b)False

5. An enzyme speeds up a chemical rection in the cell, but can only be used once.

a)True

b)False

answer: b)False