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Enzyme Activity and Cell Respiration: Part One

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

________ is a specific substance that binds to the active site on an enzyme

a)

denature

b)

co-enzyme

c)

substrate

d)

specific particle

2.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
3.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
4.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered or denatured
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
5.
What are the enzymes called when they are at low temperature? 
a)
denatured
b)
Killed
c)
inactive
d)
normal
6.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
7.
What does the "TP" in ATP stand for?
a)
2 phosphates
b)
tri (3) phosphates
c)
Two proteins
d)
tri (3) proteins
8.

Energy conversion in which glucose and oxygen are used to produce ATP, carbon dioxide and water.

a)

photosynthesis

b)

cellular respiration

c)

DNA replication

d)

biomolecules

9.

The reactants of cellular respiration

a)

glucose and oxygen

b)

light, water, carbon dioxide

c)

carbon dioxide

d)

oxygen

10.

Products of cellular respiration

a)

glucose and oxygen

b)

ATP, carbon dioxide, water

c)

proteins

d)

lipids