Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Enzymes & Thermodynamics

Total questions: 10

Worksheet time: 9mins

Name
Class
Date
1.

energy available to do work

a)

activation energy

b)

Gibbs free energy

2.

Exergonic reactions release energy and are ___

a)

spontaneous (-ΔG)

b)

non-spontaneous (+ΔG)

c)

spontaneous (+ΔG)

d)

non-spontaneous (-ΔG)

3.

Endergonic reactions require energy and are ___

a)

spontaneous (-ΔG)

b)

non-spontaneous (+ΔG)

c)

spontaneous (+ΔG)

d)

non-spontaneous (-ΔG)

4.

Cells use ___ hydrolysis to do work.

a)

ADP

b)

glucose

c)

ATP

d)

fat

5.

Enzymes lower the ___ of a reaction

a)

reactant energy

b)

Gibbs free energy

c)

activation energy

d)

product energy

6.

regulation of an enzyme by a later product of a pathway in which it participates

a)

feedback inhibition

b)

competitive inhibition

c)

noncompetitive inhibition

7.

regulator binds to a region of the target protein that is not the active site, causing the target protein to change shape and affecting its activity

a)

feedback inhibition

b)

noncompetitive inhibition

c)

competitive inhibition

8.

regulator binds to the active site of an enzyme, blocking the substrate

a)

feedback inhibition

b)

competitive inhibition

c)

noncompetitive inhibition

9.

Cellular respiration breaks down glucose. Overall, it is a(n) ___ reaction.

a)

catabolic

b)

anabolic

10.

Photosynthesis synthesizes sugars. Overall, it is a(n) ___ reaction.

a)

catabolic

b)

anabolic