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Ch 8-9 Quiz Review - Metabolism & Respiration

Total questions: 35

Worksheet time: 23mins

Name
Class
Date
1.
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
2.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
3.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
4.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
5.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
6.
An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 
a)
true
b)
false
7.

Where does glycolysis take place?

a)

Cytosol

b)

Mitochondrial Matrix

c)

Mitochondrial inner membrane

d)

Ribosomes

8.

What is the main function of citric acid cycle?

a)

To complete the breakdown of glucose

b)

To generate a proton gradient and synthesize ATP

c)

To split a glucose molecule in half and synthesize NADH

9.

Where is the electron transport chain located?

a)

cytosol

b)

mitochondrial outer membrane

c)

mitochondrial inner membrane

d)

plasma membrane of cells

10.

NADH is in its what form?

a)

Oxidized form

b)

Reduced form

11.

FAD forming into FADH2 is a type of what reaction?

a)

Oxidation

b)

Reduction

c)

Hydration

d)

Decarboxylation

12.

The chemical reactions of the Citric Acid Cycle take place in

a)

Inner mitochondrial membrane

b)

Outer mitochondrial membrane

c)

Mitochondrial matrix

d)

Intermembrane space of mitochondria

13.

The "fuel" for the citric acid cycle is

a)

CO2

b)

H2O

c)

Pyruvate

d)

Acetyl-CoA

14.

During glycolysis, glucose is broken down into how many molecules of pyruvate?

a)

2

b)

3

c)

4

d)

1

15.

Which process is the largest contributor to the release of CO2

a)

Citric Acid Cycle

b)

Pyruvate Oxidation

c)

Glycolysis

d)

Oxidative Phosphorylation

16.
Which structures shown in the Figure make up the ADP molecule?
a)
A and B
b)
A, B and C
c)
A, B, C, and D
d)
C and D
17.
What are the parts of the ATP molecule?
a)
adenine, thylakoids, stroma
b)
stroma, grana, chlorophyll
c)
adenine, ribose, phosphate groups
d)
NADH, NAHPH, FADH
18.
Which bond of the ATP molecule is broken in order to release energy?
a)
A
b)
B
c)
C
d)
D
19.

The image shown is ______________

a)

ATP

b)

ADP

c)

NAD+

d)

Glucose

20.

B

a)

adenine

b)

ribose

c)

phosphate

d)

glucose

21.

A

a)

adenine

b)

ribose

c)

phosphates

d)

glucose

22.

C

a)

adenine

b)

ribose

c)

phosphates

d)

glucose

23.

Intermembrane space

a)

A

b)

B

c)

C

d)

D

24.

Outer membrane

a)

A

b)

B

c)

C

d)

D

25.

Mitochondrial matrix

a)

A

b)

B

c)

C

d)

D

26.

Inner mitochondrial membrane

a)

A

b)

B

c)

C

d)

D

27.

Which of the following is necessary for oxidative phosporylation to occur?

a)

ATP

b)

carbon dioxide

c)

oxygen

d)

actic acid

28.

What are the final products of oxidative phosphorylation? (select more than one)

a)

NADH

b)

ATP

c)

CO2

d)

H2O

29.

In the electron transport chain, hydrogen ions are pumped from the __________ to the ___________.

a)

matrix; intermembrane space

b)

intermembrane space; matrix

c)

matrix; cytoplasm

d)

intermembrane; cytoplasm

30.

The final electron acceptor in electron transport chain is

a)

NAD+

b)

FAD

c)

Oxygen

d)

Water

31.

What doe FADH2 and NADH bring to the electron transport chain?

a)

Oxygen

b)

Water

c)

Electron

d)

ATP

32.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

33.

The process of using electrons to pump H+ to create an electrochemical gradient that must flow through a protein is called:

a)

chemiosmosis

b)

glycolysis

c)

substrate level phosphorylation

d)

hydrolysis

34.

Where does oxidative phosphorylation take place?

a)

Cytosol

b)

Matrix of mitochondria

c)

Innermembrane of mitochondria

d)

Intermembrane space of mitochondria

35.

What is the output of oxidative phosphorylation?

a)

ATP

b)

NADH

c)

FADH2

d)

glucose

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