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Ch. 8 Study Guide: Cellular Respiration

Total questions: 128

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

___________ is the catabolic pathway in which molecules are broken down to release energy for use by a cell.

a)

Cellular respiration

b)

Photosynthesis

c)

Fermentation

d)

Kreb's Cycle

2.

____________ is the most important biological molecule that provides energy.

a)

Adenosine diphosphate (ADP)

b)

Adenosine triphosphate (ATP)

c)

NADPH

d)

NADP

3.

Processes that do not require oxygen are called ___________.

a)

Aerobic

b)

Anoxic

c)

Anaerobic

d)

Oxygenated

4.

____________ are processes that require oxygen.

a)

Anaerobic

b)

Aerobic

c)

Oxygenated

d)

Anoxic

5.

________ is the process in which glucose is broken down.

a)

Glucose degredation

b)

Kreb's cycle

c)

Glycolysis

d)

Calvin Cycle

6.

The series of reactions in which pyruvate is broken down into carbon dioxide is ________________

a)

Calvin Cycle

b)

Electron Transport Chain

c)

Fermentation

d)

Kreb's Cycle

7.

__________ is an anaerobic process that occurs in the cytoplasm and regenerates the cell's supply of NAD+ while supplying a small amount of ATP

a)

Fermentation

b)

Glycolysis

c)

Kreb's Cycle

d)

Calvin Cycle

8.

Approximately how many ATP's can breaking down one molecule of glucose generate?

a)

2

b)

118

c)

36

d)

15

9.

Where in the cell does cellular respiration occur?

a)

mitochondria

b)

nucleus

c)

chloroplast

d)

golgi body

10.

Which of the following sequences is in the correct order?

a)

Krebs->Glycolysis->ETC

b)

ETC->Krebs->Glycolysis

c)

Glycolysis->Krebs->ETC

d)

ETC->Glycolysis->Krebs

11.

Which of the following steps generates the MOST ATP?

a)

ETC

b)

Krebs

c)

Fermentation

d)

Glycolysis

12.

Which of the following steps generates the LEAST ATP?

a)

ETC

b)

Krebs

c)

Fermentation

d)

Glycolysis

13.

Where in the mitochodria does the ETC occur?

a)

thylakoid

b)

matrix

c)

stroma

d)

cristae

14.

Which of the following is a PRODUCT of cellular respiration?

a)

glucose

b)

nitrogen

c)

oxygen

d)

carbon dioxide

15.

Which does aerobic respiration include?

a)

Glycolysis

b)

ETC

c)

Krebs Cycle

d)

Grooming Phase

16.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
17.
What are the products of aerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
18.
Where does aerobic respiration occur?
a)
glucose molecule
b)
mitochondria
c)
cytoplasm
d)
chloroplast
19.

Which equation represents cellular respiration?

a)

C6H12O6 + 6O2 yields 6CO2 + 6H2O

b)

6CO2 + 6H2O yields C6H12O6 + 6O2

20.

What are the 2 products of cellular respiration before the electron transport chain?

a)

Carbon dioxide and Electron carriers

b)

Carbon dioxide and oxygen

c)

Electron carriers and Oxygen

d)

Nitrogen and water

21.

What is/are the high energy electron carriers in cellular respiration?

a)

NADH and FADH2

b)

NADPH

c)

NADPH and FADH2

d)

FADH2

22.

What is the correct order of steps for anaerobic respiration?

a)

Krebs cycle, fermentation, glycolysis.

b)

Glycolysis, fermentation.

c)

Glycolysis, Krebs cycle, electron transport chain.

d)

Electron transport chain, glycolysis, fermentation.

23.

How much ATP is created from glycolysis?

a)

2

b)

4

c)

10

d)

34

24.

Which option includes THREE processes that each create 2 net ATP?

a)

glycolysis, fermentation, and the dark reactions

b)

Kreb's, fermentation, and glycolysis

c)

Kreb's, the dark reactions, and the electron transport chain

d)

the electron transport chain, the light reactions, and fermentation

25.
Which is a product of the ETC?
a)
Carbon dioxide
b)
Glucose
c)
Oxygen
d)
Water
26.

What is the product of the electron transport chain.

a)

Carbon dioxide

b)

Water

c)

ATP

d)

Glucose

27.

What are the 2 products of cellular respiration before the electron transport chain?

a)

Carbon dioxide and Electron carriers

b)

Carbon dioxide and oxygen

c)

Electron carriers and Oxygen

d)

Nitrogen and water

28.

What is the first stage of both types of fermentation called?

a)

Electron Transport Chain

b)

Glycolysis

c)

Krebs Cycle

d)

Fermentation

29.
What does NADH do during cellular respiration?
a)
 it delivers its electron load to the first electron carrier molecule
b)
it is reduced to form NAD+
c)
it is chemically converted into ATP
d)
it acts as the final electron acceptor
30.
What is pyruvate?
a)
A six carbon molecule
b)
a molecule formed at the end of glycolysis
c)
the molecule that starts the citric acid cycle
d)
the end product of the electron transport chain
31.
Glycolysis breaks down glucose into 2 molecules of 
a)
NADPH
b)
Pyruvic Acid
c)
Water
d)
ATP
32.
This process does not make ATP alone, but it allows glycolysis to continue making ATP when oxygen is unavailable for cellular respiration.
a)
Fermentation
b)
Electron Transport Chain
c)
Glycolysis
d)
Kreb's cycle
33.
The Krebs cycle takes place within the
a)
chloroplast
b)
nucleus
c)
mitochondrion
d)
cytoplasm
34.
This is made of proteins that need energy-carrying molecules from the Krebs cycle and oxygen to make ATP
a)
Glycolysis
b)
Kreb's Cycle
c)
Photosynthesis
d)
Electron Transport Chain
35.
Which of the following acts as an electron carrier in cellular respiratoin?
a)
ATP
b)
NADH
c)
CO2
d)
Glucose
36.
Another name for sugar is 
a)
ATP
b)
Cellular
c)
Glucose
d)
lipid
37.

__________ is an anaerobic process that occurs in the cytoplasm and regenerates the cell's supply of NAD+ while supplying a small amount of ATP

a)

Fermentation

b)

Glycolysis

c)

Kreb's Cycle

d)

Calvin Cycle

38.
Aerobic cellular respiration occurs in this order....
Glycolysis-->????-->ETC
a)
Krebs cycle
b)
Calvin cycle
c)
Light reactions
d)
Digestion
39.
Which stage of CR occurs in the cytoplasm of the cell?
a)
Krebs cycle
b)
Glycolysis
c)
Calvin cycle
d)
ETC
40.
If oxygen is present, pyruvic acid molecules molecules enter the
a)
mitochondria
b)
cytoplasm
c)
cell membrane
d)
golgi apparatus
41.
Muscle cells can make ATP without oxygen by carrying out which process?
a)
aerobic cellular respiration
b)
photosynthesis
c)
alcoholic fermentation
d)
lactic acid fermentation
42.
The goal of fermentation after glycolysis is to regenerate which of the following?
a)
FAD
b)
NAD
c)
Oxygen
d)
Carbon dioxide
43.
In the ETS, H+ ions must pass through this enzyme so it can make ATP.
a)
Rubisco
b)
Lactase
c)
NADase
d)
ATP synthase
44.
What is needed to start the whole process of respiration?
a)
NADH
b)
FADH2
c)
ATP
d)
Pyruvate
45.
What acts as the final electron acceptor to keep the ETS moving, producing water?
a)
CO2
b)
O2
c)
H2O
d)
ATP
46.

Yeast is added to a beaker along with apple juice. A balloon is placed on top of the beaker to catch any gas that is made. The balloon eventually fills up with a gas. What is the gas?

a)

oxygen

b)

carbon dioxide

47.

Why is anaerobic respiration considered less efficient than aerobic respiration?

a)

Why is anaerobic respiration considered less efficient than aerobic respiration?

b)

More oxygen is required for anaerobic respiration than for aerobic respiration.

c)

More ATP molecules are gained in aerobic respiration than in anaerobic respiration.

d)

Less lactic acid is formed during anaerobic respiration than during aerobic respiration.

48.

What is cellular respiration?

a)

the breakdown of glucose to release ATP

b)

the breakdown of glucose to release carbon

49.

The reactants of photosynthesis are

a)

sugar and water

b)

sugar and oxygen

c)

carbon dioxide and water

d)

carbon dioxide and oxygen

50.

What are the products of photosynthesis?

a)

carbon dioxide and water

b)

carbon dioxide and oxygen

c)

glucose and oxygen

d)

glucose and water

51.

What is one of the reactants of cellular respiration?

a)

energy

b)

glucose

c)

carbon dioxide

d)

water

52.

What are the reactants in the equation for cellular respiration?

a)

oxygen and lactic acid

b)

carbon dioxide and water

c)

glucose and oxygen

d)

water and glucose

53.
What are the two reactants of cellular respiration?
a)
C6H12O6 & 6CO2
b)
6 CO2 & 6H2O
c)
C6H12O6 & 6O2
d)
6CO2 & 6O2
54.
Along with 2ATP, what is produced during glycolysis?
a)
6CO2
b)
6O2
c)
C6H12O6
d)
2 pyruvate
55.
What are the two produces of aerobic respiration?
a)
Glucose & oxygen
b)
Carbon dioxide & water
c)
Lactic acid
d)
Carbon monoxide 
56.
What is the first stage of aerobic respiration called?
a)
Citric acid cycle
b)
Calvin cycle
c)
Glycolysis
d)
ETC
57.
Which type of respiration is more efficient (meaning...which one produces more ATP from sugar)? (q.6)
a)
Aerobic
b)
Anarobic
58.
What is the other name for anaerobic respiration? (q.8)
a)
the Calvin cycle
b)
fermentation
c)
glycolysis
d)
photosynthesis
59.
In glycolysis, 1 glucose molecule is broken down into 2 ____, 2 _____ and ________. (q.9)
a)
ethanols ; ATPs ; FADH2
b)
lactic acids ; NADPH ; FADH2
c)
pyruvic acids ; ATPs ; NADH 
d)
water ; oxygen ; carbon dioxide
60.
What is the major downfall of anaerobic respiration? (q.13)
a)
it requires several enzymes
b)
it is only done by fungi
c)
no more ATP is made
d)
no more carbon dioxide is used
61.
What is the purpose of fermentation if no new ATP is produced? (q.15)
a)
the yeasts, yogurts and cheeses eat the lactic acid
b)
It makes alcohol to feed the cell
c)
It actually makes 32 ATP molecules.
d)
It makes NAD+ that is fed back into glycolysis (makes 2 ATP) 
62.
 ___________ produced in animal fermentation makes muscles sore. (q.17)
a)
Lactic Acid
b)
Ethonol
c)
Carbon Dioxide
d)
Pyruvates
63.
What molecule is made in glycolysis that becomes the reactant of the Kreb's cycle? (q.22)
a)
pyruvate molecules (also known as a pyruvic acid)
b)
glucose
c)
ATP
d)
carbon dioxide
64.
Aerobic respiration produces __ ATP in glycolysis,___ in the Kreb's cycle & ___ in the ETC. (q.26)
a)
2 ; 0 ; 0 = 2 total ATP
b)
2 ; 2 ; 32 = 36 total ATP 
c)
6 ; 2; 32 = 40 ATP
d)
4; 6; 36 = 40 ATP
65.
The conversion of glucose to two 3-carbon compounds is the result of what process?
a)
the citric acid cycle
b)
glycolysis
c)
the electron transport chain
d)
oxidative phosphorylation
66.
How many molecules of NADH are produced during glycolysis?
a)
2
b)
4
c)
6
d)
8
67.
What does NADH do during cellular respiration?
a)
 it delivers its electron load to the first electron carrier molecule
b)
it is reduced to form NAD+
c)
it is chemically converted into ATP
d)
it acts as the final electron acceptor
68.
Which of the following is NOT a part of cellular respiration?
a)
electron transport
b)
glycolysis
c)
Krebs Cycle
d)
Calvin Cycle
69.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes
70.
Glycolysis results in the net gain of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
71.
Glycolysis results in the total production of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
72.
In the final step of glycolysis ATP is made through the process of:
a)
Substrate Level Phosphorylation
b)
Oxidative Phosphorylation
c)
Photo-Phosphorylation
d)
RedOx Reactions
73.
In glycolysis, glucose is converted into two molecules of _____. 
a)
citric acid
b)
oxaloacetic acid
c)
pyruvic acid
d)
Acetyl CoA
74.
What is Anaerobic Respiration?
a)
process of producing energy without oxygen.
b)
process of producing energy with oxygen.
75.
What is the function of NAD+?
a)
It absorbs light
b)
It is an electron carrier
c)
It is a light-reflecting pigment
d)
It acts as long-term energy storage
76.

The molecule that functions as the oxidizing agent (electron receptor) in a redox or oxidation-reduction reaction _____.

a)

gains electrons and gains potential energy

b)

loses electrons and loses potential energy

c)

gains electrons and loses potential energy

d)

loses electrons and gains potential energy

77.

Which enzyme reduces NAD+ to NADH?

a)

Enolase

b)

Adolase

c)

Phosphoglucoisomerase

d)

Dehydrogenase

78.
The first step of glycolysis results in the formation of:
a)
Glucose-6-Phosphate
b)
Fructose-6-Phosphate
c)
ATP
d)
1,6 Bis-PhosphoGlycerate
79.
NADH is produced by the oxidation of:
a)
G3P
b)
DHAP
c)
PEP
d)
1,3 BPG
80.

After the NAD+ receives electrons, what does it change to?

a)

ATP

b)

NADH

c)

ADP

81.

Which of the following processes occur in the cytoplasm?

a)

Glycolysis

b)

Alcoholic Fermentation

c)

Lactic Acid Fermentation

d)

All of these

82.

Which type of fermentation produces CO2 gas and ethyl alcohol?

a)

Alcoholic Fermentation

b)

Lactic Acid Fermentation

83.

What is the ultimate goal of Fermentation?

a)

to make more ATP for the cell

b)

to make more NADH for the Electron Transport Chain

c)

to remake NAD+ for Glycolysis

d)

to make glucose for the cell

84.

Which of the following are "waste" products of cellular respiration? (CHECK ALL THAT APPLY)

a)

Water

b)

Heat

c)

Carbon Dioxide

d)

Oxygen

e)

ATP

85.
The enzyme that produces G3P & DHAP is:
a)
Hexokinase
b)
Aldolase
c)
PhosphoFructoKinase
d)
Enolase
86.

Which enzyme pulls off 1 phosphate group from the G3P molecule and combines it with ADP to make 1 ATP?

a)

PhosphoFructoKinase

b)

Hexokinase

c)

Aldolase

d)

Pyruvate Kinase

87.

Moves the phosphate to the middle of the molecule before Enolase dehydrates it.

a)

PhosphoFructoKinase

b)

Hexokinase

c)

Aldolase

d)

Pyruvate Kinase

e)

Phosphoglycerate mutase

88.

Pulls off the last phosphate group from G3P to make 1 ATP and Pyruvate.

a)

PhosphoFructoKinase

b)

Hexokinase

c)

Aldolase

d)

Pyruvate Kinase

e)

Phosphoglycerate mutase

89.

Dehydrates the molecule making it possible for pyruvate kinase to do its job.

a)

PhosphoFructoKinase

b)

Hexokinase

c)

Aldolase

d)

Pyruvate Kinase

e)

Enolase

90.

Pulls an electron off G3P and uses it to join NAD+ and a proton to form NADH.

a)

PhosphoFructoKinase

b)

G3P Dehydrogenase

c)

Aldolase

d)

Pyruvate Kinase

e)

Enolase

91.

Removes a phosphate from the 1st ATP and joins it with glucose, making glucose more reactive.

a)

PhosphoFructoKinase

b)

Hexokinase

c)

Aldolase

d)

Pyruvate Kinase

e)

Enolase

92.

Converts DHAP into G3P

a)

Isomerase

b)

Hexokinase

c)

Aldolase

d)

Phosphogluco isomerase

e)

Enolase

93.

Removes a phosphate from the 2nd ATP and add it to the molecule producing P-C-C-C-C-C-C-P

a)

PhosphoFructinase

b)

Hexokinase

c)

Aldolase

d)

Phosphogluco isomerase

e)

Enolase

94.
The "regenerator" of the Krebs Cycle is:
a)
Oxaloacetate
b)
Acetyl-CoA
c)
Citrate
d)
α-Ketoglutarate
95.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
96.
How many FADH2 molecules are produced by 1 molecule of glucose?
a)
1
b)
2
c)
3
d)
4
97.
How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle?
a)
2
b)
3
c)
4
d)
6
98.
How many CO2 molecules are produced by the Krebs Cycle for a molecule of glucose?
a)
2
b)
4
c)
6
d)
3
99.
Krebs Cycle takes place in the:
a)
Cytoplasm
b)
Matrix
c)
Ribsome
d)
InterMembrane Space
100.
The inner most interior of the mitochondrion is called the:
a)
Cristae
b)
Matrix
c)
Golgi Bodies
d)
Carbuncles
101.
Prior to entering the Krebs Cycle, each pyruvate molecule loses electrons, hydrogen ions, and a carbon, forming an energy-rich molecule of
a)
Acetyl-CoA
b)
Citrate
c)
Oxaloacetate
d)
Malate
102.
After the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained in
a)
NADH and FADH2
b)
Carbon Dioxide 
c)
Acetyl-CoA
d)
Citrate
103.

NADH and FADH2

a)

carry energy/electrons to the ETC.

b)

bind with Acetyl CoA.

c)

make pyruvic acid

d)

make water.

104.
How many times does Kreb's Cycle turn for each molecule of glucose?
a)
twice
b)
once
c)
three times<br />
d)
it does not turn
105.

Where does the pyruvic acid produced by glycolysis go next?

a)

the Calvin Cycle

b)

the electron transport chain

c)

the Krebs Cycle

d)

back through the glycolysis process

106.

Which of the following intermediates is not a C4 species?

a)

Fumarate

b)

Citrate

c)

Malate

d)

Oxaloacetate

107.

What is decarboxylation?

a)

Removal of water

b)

Removal of CO2

c)

Addition of CO2

d)

Addition of water

108.

Which of the following gets pumped into the intermembrane space?

a)

FADH2

b)

O2

c)

H+

d)

NAD+

109.

As electrons travel down the electron transport chain, they release

a)

ADP

b)

Energy

c)

ATP

d)

Hydrogen ion

110.

Hydrogen ions are pumped from the __________ to the ___________.

a)

matrix; intermembrane space

b)

intermembrane space; matrix

c)

matrix; cytoplasm

d)

intermembrane; cytoplasm

111.

The final electron acceptor in electron transport chain is

a)

NAD+

b)

FAD

c)

Oxygen

d)

Water

112.

H+ move down their concentration gradient by ___________ back into the matrix.

a)

osmosis

b)

facilitated diffussion

c)

simple diffusion

d)

active transport

113.

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

a)

Oxygen

b)

Water

c)

Electron

d)

ATP

114.

ATP synthase synthesis ATP and release ATP into

a)

innermembrane of mitochonndria

b)

matrix of mitochondria

c)

intermembrane space of mitochondria

d)

outermembrane of mitochondria

115.

A poison which inhibits the activity of any cytochrome in the ETC will result in the following reaction:

a)

Excess ATP

b)

oxygen production

c)

Insufficient ATP

d)

water synthesis

116.

Which of the following processes creates the most ATP during aerobic cellular respiration?

a)

glycolysis

b)

fermentation

c)

electron transport chain

d)

Citric acid cycle

117.
Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations?
a)
Only species Y is aerobic.
b)
Only species Y is anaerobic
c)
Both species X and Y are aerobic.
d)
Both species X and Y are anaerobic.
118.

A series of molecules that accept or donate electrons easily.

a)

Photosynthesis

b)

Electron Transport Chain

c)

Molecular Transportation

d)

Electronics Photon

119.
How many ATP are produced in the Electron Transport Chain?
a)
2
b)
30
c)
34
d)
38
120.
Which process produces CO2 as a waste product?
a)
Lactic Acid Fermentation
b)
Ethanol (Alcoholic) Fermentation
121.
What is a disadvantage of fermentation as a process? 
a)
It produces too much ATP
b)
It only produces 2 ATP
c)
It occurs in the absence of oxygen
d)
It is only for quick bursts of energy
122.
Fermentation is
a)
anaerobic
b)
aerobic
123.
Fermentaion occurs in
a)
cytoplasm
b)
mitochondria
c)
nucleus
124.
The outputs of alcoholic respiration include
a)
all are correct
b)
ATP
c)
CO2
d)
ethyl alcohol
125.
The outputs of lactic acid respiration include
a)
ATP & lactic acid
b)
ADP & lactic acid
c)
lactic acid and pyruvate
d)
ATP & ethyl alcohol
126.
Both alcoholic and lactic acid fermentation begin with
a)
pyruvic acid
b)
glucuse
c)
ATP
d)
CO2
127.
In order for fermentation to begin, what has to occur first?
a)
glycolysis
b)
Kreb's cycle
c)
electron transport
d)
cellular respiration
128.
What causes sore muscles during fermentation?
a)
lactic acid build up
b)
ethyl alcohol build up
c)
ATP deficit
d)
ADP production

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