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Unit Four Part A Review

Total questions: 32

Worksheet time: 16mins

Name
Class
Date
1.

What kind of cellular energy do all living things need and use?

a)

mechanical

b)

thermal

c)

chemical

d)

electrical

2.

What is the source of cellular energy in all living things?

a)

carbohydrates

b)

ADP

c)

glucose

d)

ATP

3.

If ATP is like a battery, what type would it be?

a)

fully charged

b)

the wrong type

c)

the battery's core

d)

dead

4.

How many phosphate bonds does ATP contain?

a)

1

b)

2

c)

3

d)

4

5.

What molecule is broken up in the cell's cytoplasm to initiate the process of producing ATP?

a)
water
b)
oxygen
c)
glucose
d)
carbon dioxide
6.

Which of the following is NOT a part of an ATP molecule?

a)

Glucose

b)

Pentose Sugar

c)

Phosphate Groups

d)

Adenine

7.

Which statement best describes how the cell obtains its energy?

a)

ATP is converted into glucose and powers the cell.

b)

The cytoplasm contains proteins that powers the cell.

c)

Energy stored in glucose is used directly by the cell.

d)

Chemical energy from glucose is converted to produce ATP.

8.

What is the breakdown of glucose that results in two molecules of pyruvic acid, 2 ATP and 2 NADH called?

a)
glycolysis
b)

aerobic respiration

c)
Krebs cycle
d)
fermentation
9.

What is the initial cost to begin glycolysis?

a)
2 ATP molecules
b)
3 ATP molecules
c)
1 ATP molecule
d)
4 ATP molecules
10.

Which of the following is NOT produced by the process of glycolysis?

a)

2 ATP

b)

2 FADH2

c)

2 Pyruvic Acid

d)

2 NADH

11.

At the end of glycolysis, how many and what kinds of electron carriers are present?

a)
2 molecules of NADH
b)
2 molecules of FADH2
c)
3 molecules of NADH
d)
1 molecule of NADH
12.

Fermentation allows which process to continue to produce ATP without oxygen being present?

a)
glycolysis
b)

Krebs cycle

c)
cellular respiration
d)
photosynthesis
13.

What substance is produced by fermentation in muscles after heavy exercise?

a)
Carbon dioxide
b)
Ethanol
c)
Glucose
d)
Lactic acid
14.

What organism is capable of alcoholic fermentation?

a)

Protists

b)
Plants
c)
Yeast
d)
Bacteria
15.

Which statement is TRUE concerning fermentation?

a)

The Krebs cycle is an essential stage of fermentation.

b)

Carbon dioxide and alcohol or lactic acid are products.

c)

Oxygen is needed to complete fermentation.

d)

Fermentation completely shuts down glycolysis.

16.

What material is vital to aerobic respiration?

a)
oxygen
b)
glucose
c)
water
d)
carbon dioxide
17.

In what part of the cell does glycolysis occur?

a)
mitochondria
b)
nucleus
c)
cytoplasm
d)
endoplasmic reticulum
18.

In what part of the cell does fermentation occur in?

a)
endoplasmic reticulum
b)
nucleus
c)
mitochondria
d)
cytoplasm
19.

In what part of the cell does aerobic respiration occur?

a)
nucleus
b)
mitochondria
c)
cytoplasm
d)
cell membrane
20.

In what part of the cell does anaerobic respiration occur?

a)
nucleus
b)
mitochondria
c)
cell membrane
d)
cytoplasm
21.

In what part of the cell does the Krebs cycle occur?

a)
mitochondria
b)
nucleus
c)
cell membrane
d)
cytoplasm
22.

In what part of the cell does the electron transport chain occur?

a)
cytoplasm
b)
cell membrane
c)

mitochondria

d)
nucleus
23.

Which of the following is anaerobic?

a)

glycolysis and fermentation

b)

electron transport chain

c)

Krebs cycle

d)

glycolysis ONLY

24.

Which of the following is NOT a stage of cellular respiration?

a)
Krebs cycle
b)

fermentation

c)
glycolysis
d)
electron transport chain
25.

Which of the following is NOT true of the Krebs cycle?

a)

It is also called the citric acid cycle

b)

It produces NADH and FADH2.

c)

It produces 2 ATP.

d)

It breaks down glucose into pyruvic acids.

26.

Which of the following is NOT a product of the Krebs cycle after breaking down pyruvic acids?

a)

8 NADH

b)

2 NADPH

c)

2 FADH2

d)

2 ATP

27.

What is the waste product of the Krebs cycle?

a)

6 oxygen

b)

6 carbon dioxide

c)

1 glucose

d)

6 water

28.

What is the waste product of the electron transport chain?

a)

6 water

b)

6 carbon dioxide

c)

1 glucose

d)

6 oxygen

29.

How many ATP are produced in the electron transport chain maximum per glucose?

a)
30
b)

2

c)
34
d)

38

30.

How many ATP are produced in the Krebs cycle per glucose?

a)
30
b)

2

c)
34
d)

38

31.

How many ATP are produced in glycolysis per glucose?

a)
30
b)

2

c)
34
d)

38

32.

How many maximum ATP are produced in total during cellular respiration?

a)
30
b)

2

c)
34
d)

38