Enzyme Practice Question Preview (ID: 44052)


Enzyme Review. TEACHERS: click here for quick copy question ID numbers.

How are enzymes specific?
a) They only work in humans
b) They only work during the day
c) They only work at night
d) They only work on one substrate

What are the materials that go into an enzyme reaction called?
a) products
b) solutions
c) substrates
d) solutes

What are the materials that come out of an enzyme reaction called?
a) products
b) solutions
c) substrates
d) solutes

What is a catalyst?
a) Something that slows down reactions
b) something that speeds up reactions
c) something that is used up in a reaction
d) something that makes lipids

Enzymes are made of
a) lipids
b) fats
c) proteins
d) carbohydrates

Enzymes
a) do nothing to affect the activation energy
b) make sure the activation energy stays the same
c) double the activation energy
d) lower the activation energy

Enzymes work in a very narrow range of two main factors,
a) temperature and oxygen
b) pH and oxygen
c) density and location
d) pH and temperature

What happens when an enzyme denatures?
a) change shape and no longer work
b) change shape and work faster
c) change location in the cell
d) change color

Enzymes are used up in a reaction?
a) true
b) false
c)
d)

Enzymes work best in what conditions?
a) at body temperature
b) at pH of 5
c) it depends on what the enzyme is for
d) on Tuesdays

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