What is TRUE about enzyme?
a) all parts of enzyme molecule take part in reaction
b) enzymes lower the activation energy
c) an enzyme can act upon any kind of substrate
d) they are needed in large quantities
What is TRUE about cofactors?
a) take part in reaction
b) help enzymes in their activity
c) increase activation energy
d) are composed of protein
One of the following may function as coenzymes for the enzymes….
a) protein
b) carbohydrate
c) vitamins
d) DNA
Increase or decrease in temperature beyond the optimum temperature will ……
a) increase the rate of reaction
b) decrease the rate of reaction
c) not affect the rate of reaction
d) denature the enzyme
Trypsin, an enzyme, works at …..
a) alkaline pH
b) acidic pH
c) neutral pH
d) pH does not affect its activity
Change in environmental factors will affect enzymes activity and therefore may affect .…
a) metabolism
b) respiration
c) digestion
d) all of them
