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7.1-7.4

Total questions: 108

Worksheet time: 9hrs 0mins

Name
Class
Date
1.
How many ATP molecules are made from 1 NADH?
a)
1
b)
2
c)
3
d)
4
2.
How many H+ are pumped out of the matrix from 1 FADH2?
a)
1
b)
2
c)
3
d)
4
3.
How many H+ are pumped out of the matrix from 1 NADH?
a)
1
b)
2
c)
3
d)
4
4.
How many ATP molecules are made from 1 FADH2?
a)
1
b)
2
c)
3
d)
4
5.
Protons are pumped out of the _________ in the ETC.
a)
Matrix
b)
Cristae
c)
InterMembrane Space
d)
Mitochondrion
6.
The movement of H+ into the InterMembrane Space causes a ________ in pH.
a)
Rise
b)
Drop
7.
H+ come back into the matrix because of:
a)
Magic
b)
Facilitated Diffusion
c)
Diffusion
d)
Osmosis
8.
If a hole was created in the inner mitochondrial membrane the result would be _________ ATP created from the ETC.
a)
Less
b)
More
9.
The "Final Electron Acceptor" of the ETC is
a)
Oxygen
b)
Nitrogen
c)
CO2
d)
H2O
10.
The protein pumps in the ETC are arranged in order of ____________ electronegativity.
a)
Increasing
b)
Decreasing
11.
ATP molecules are made by this process during the ETC.
a)
Tinkerbell
b)
Substrate Level Phosphorylation
c)
Oxidative Phosphorylation
d)
Photo-phosphorylation
12.
The process of using electrons to pump H+ to create an electrochemical gradient that must flow through a protein is called:
a)
Chemiosmosis
b)
Fantasia
c)
Induced Fit
d)
Electrolysis
13.
Which process does this entire picture represent?
a)
Ethanol Fermentation
b)
Lactate fermentation
c)
Respiration
d)
Glycolysis
14.
site of the krebs cycle
a)
1
b)
2
c)
3
d)
4
15.
Where does the electron transport chain happen?
a)
Matrix
b)
Cristae
c)
Outer membrane
d)
Cytoplasm
16.
What is needed from the Krebs Cycle in order for the Electron Transport Chain to occur?
a)
ATP
b)
FADH2
c)
CO2
d)
H20
17.
What is a product of the Electron Transport Chain?
a)
CO2
b)
O2
c)
C6H1206
d)
H2O
18.

How does the electron transport chain use the high-energy electron from the Krebs cycle?

a)

The electron transport chain uses the high-energy electrons from the Krebs cycle to convert ADP to ATP

b)

The electron transport chain uses the high-energy electrons from the Calvin cycle to convert ADP to ATP

c)

The electron transport chain uses the high-energy electrons from the Krebs cycle to convert ATP to ADP

d)

The electron transport chain uses the high-energy electrons from the Calvin cycle to convert glucose to glycogen

19.

What happens to pyruvic acid during the Krebs cycle?

a)

Pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions

b)

Pyruvic acid is broken down into water in a series of energy-extracting reactions

c)

Pyruvic acid is broken down into glucose in a series of energy-extracting reactions

d)

Pyruvic acid is broken down into ATP in a series of energy-extracting reactions

20.

The Krebs Cycle is also known as the

a)

Calvin Cycle

b)

Citric Acid Cycle

c)

Glycolysis

d)

Cellular Respiration

21.

What are the reactants for the Electron Transport Chain?

a)

NADH, FADH2, and Oxygen

b)

H+ ions and ATP

c)

Oxygen and Sugar

d)

CO2, H2O and ATP

22.

What are the folds of the inner membrane of the mitochondria called?

a)

cristae

b)

matrix

c)

thylakoids

d)

grana

23.

What is the very interior of the mitochondria called?

a)

stroma

b)

mitochondrial media

c)

mitochondrial matrix

d)

mitoplasm

24.

What is the correct order of processes in Aerobic Respiration?

a)

Glycolysis, Chemiosmosis, Kreb's Cycle, Electron Transport Chain

b)

Glycolysis, Chemiosmosis, Electron Transport Chain, Kreb's Cycle

c)

Chemiosmosis, Electron Transport Chain, Kreb's Cycle, Glycolysis

d)

Glycolysis, Kreb's Cycle, Electron Transport Chain, Chemiosmosis

25.

How many times does the Kreb's Cycle "turn" per glucose?

a)

1

b)

2

c)

3

d)

6

26.

What are final totals of molecules produced in the Kreb's Cycle?

a)

1 ATP, 3 NADH, 1 FADH2

b)

2 ATP, 10 NADH, 2 FADH2

c)

2 ATP, 6 NADH, 2 FADH2

d)

1 ATP, 5 NADH, 1 FADH2

27.

What process(es) occur within the inner mitochondrial membrane/cristae?

a)

Kreb's Cycle

b)

Electron Transport Chain

c)

Chemiosmosis

d)

Both Electron Transport Chain AND Chemiosmosis

28.

NADH and FADH2 release what into the mitochondrial matrix?

a)

H+

b)

electrons

c)

both H+ and electrons

d)

neither H+ and electrons

29.

Which of the following happen during the Electron Transport Chain?

a)

High energy electrons travel down the ETC, pumping H+'s into the intermembrane space

b)

H+'s travel down the ETC, pumping high energy electrons into the intermembrane space

c)

H+'s diffuse through ATP Synthase, turning it so it can make ATP

30.

During Chemiosmosis, H+'s diffuse through what protein, making ATP?

a)

Chlorophyll

b)

ATP Synthase

c)

Cytochrome c

d)

ATPase

31.

At the end of the ETC and Chemiosmosis, what binds to the electrons and H+'s?

a)

H2O

b)

ATP

c)

O2

d)

CO2

32.

Which of the following represents the correct pairing of location and process?

a)

Glycolysis - stroma

b)

Kreb's Cycle - cytoplasm

c)

Electron Transport Chain - inner membrane/cristae

d)

Chemiosmosis - intermembrane space

33.

True or False: Plants have/need BOTH chloroplasts and mitochondria?

a)

TRUE

b)

FALSE

34.

Which of the following statements is/are TRUE? select all that apply!

a)

The products Photosynthesis are the reactants for Respiration.

b)

Photosynthesis and Respiration are not connected in any way.

c)

Animals and plants provide each other with the gases they need.

d)

The products of Respiration are the reactants for Photosynthesis.

35.
Where does the ETC get the energy it needs?
a)
ATP Synthase
b)
Glycolysis
c)
Krebs Cycle
d)
Mitochondria
36.
In the ETC, what do we use the energy from the Krebs Cycle for?
a)
Pump hydrogens across the inner mitochondrial membrane
b)
Pump ATP from one side of the membrane to the other
c)
Pump hydrogens with the concentration gradient
d)
Pump NADH to make ATP
37.
What is the function of oxygen in the process of cellular respiration?
a)
to deliver hydrogen ions to the electron transport chain
b)
to pick up electrons at the end of the electron transport chain
c)
to provide oxygen for the production of carbon dioxide
d)
to give a source of energy to the Krebs cycle
38.
What is the equation for cellular respiration?
a)
C6H12O6 + 6O2 --> --> --> 6CO2 + 6H2O
b)
C6H12O6 + 6CO2 --> --> --> 6O2 + 6H2O
c)
6 CO2 + 6H2O --> --> --> 6O2 + C6H12O6
39.
Which organism performs cellular respiration?
a)
E. coli bacteria
b)
Yeast 
c)
Plant
d)
All perform cellular respiration
40.
Where is the electron transport chain for cellular respiration found?
a)
cell membrane
b)
inner mitochondrial membrane
c)
outer mitochondrial membrane
d)
thylakoid membrane
41.
Which molecule accepts electrons at the end of the electron transport chain?
a)
ATP
b)
oxygen
c)
carbon dioxide
d)
water
42.
Which are electron carriers used in cellular respiration?
a)
NADPH only
b)
NADH only
c)
NADH and FADH2
d)
NADPH and FADH2
43.
The movement of H+ through ___ provides energy to form ATP from ADP
a)
electron transport chain
b)
outer mitochondrial membrane
c)
cell membrane
d)
ATP synthase
44.
Where does the Krebs cycle occur?
a)
cytoplasm
b)
cell membrane
c)
mitochondrial matrix
d)
intermembrane space
45.
After the Krebs cycle, what happens to the carbon atoms?
a)
They go to the ETC to make ATP.
b)
They diffuse out of cell to atmosphere.
c)
They turn into oxygen gas to start new cycle.
d)
They turn into glucose.
46.
ATP is called a cell's "energy currency" because
a)
ATP catalyzes all metabolic reactions
b)
ATP allow one organelle to be exchanged for another between cells
c)
glucose is made of ATP
d)
most of the energy that drives metabolism is supplied by ATP
47.
When a phosphate group is removed from an ATP molecule, 
a)
a substantial amount of energy is released
b)
an enzyme is formed
c)
energy is stored
d)
activation energy is increased
48.
Cells produce ATP most efficiently in the presence of
a)
water
b)
carbon dioxide
c)
oxygen
d)
radiant energy
49.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
50.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
51.

Glucose is broken down into pyruvic acid during which process

a)
Krebs cycle
b)
Calvin cycle
c)
Glycolysis
d)
Photosynthesis
52.
Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs...
a)
chlorophyll
b)
carbon dioxide
c)
glucose
d)
oxygen
53.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
54.
Where does the Krebs Cycle take place?
a)
mitochondria
b)
chloroplast
c)
cytoplasm
d)
nucleus
55.

Which molecule isn't a high energy hydrogen carrier?

a)
FADH2
b)
NADH
c)
oxygen
56.
The energy in ATP is stored 
a)
in the bond between the second and third phosphate
b)
in the bond between the first and second phosphate
c)
in the bond between the adenosine and the first phosphate
d)
I like turtles
57.

Which of the following is a product of cellular respiration?

a)

Radiant Energy

b)

Oxygen

c)

Glucose

d)

Water

58.

What are the reactants (taken into) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

59.

Each glucose (6C) produces how many pyruvic acid (3C) molecules?

a)

5

b)

2

c)

3

d)

4

60.
Where does glycolysis take place?
a)
Cytoplasm
b)
Stroma
c)
Thylakoid
d)
Mitochondria
61.

What happens to the carbon atoms in glucose during cellular respiration?

a)

They are exhaled as CO2CO_2  

b)

They disappear

c)

They are broken down and dissolve

d)

They stay in the mitochondria forever

62.

Why does the third phosphate in ATP have so much energy stored in the bond?

a)

it is highly unstable

b)

it isn't

c)

it is highly stable

d)

it is moving very fast

63.

What role do NADH and FADH2 (produced during Glycolysis and Kreb's Cycle) play in cellular respiration

a)

they are energy carriers (hydrogen)that use that energy to produce massive amounts of ATP

b)

They are waste products and are pushed out of the cell

c)

They are necessary for long-term energy storage

d)

They don't play any role in cellular respiration

64.

What happens in the electron transport chain?

a)

NADH and FADH2 drop off hydrogens to form massive amounts of ATP

b)

pyruvic acid is formed from breaking down glucose

c)

CO2 is released and H2O and ATP

d)

glucose is broken down and ATP is formed

65.

Reduction is the ___________ of electrons.

a)

loss

b)

gain

c)

sharing

d)

transfer

66.

Substance that oxidizes another substance by accepting its electrons.

a)

reducing agent

b)

oxidation number

c)

disproportionation

d)

oxidizing agent

67.

What is the oxidizing agent in the following reaction?

Zn (s) + Cu2+ (aq) → Zn2+ (aq) + Cu (s)

a)

Zn (s)

b)

Cu2+ (aq)

c)

Zn2+ (aq)

d)

Cu (s)

68.
Another name for a "oxidation-reduction" reaction is
a)
chemical reaction
b)
neutralization reaction
c)
redox reaction
d)
nuclear reaction
69.

Oxidation is the _________ of electrons.

a)

loss

b)

gain

c)

sharing

d)

transfer

70.

In a redox reaction, the species reduced

a)

gains electrons and is the oxidizing agent

b)

loses electrons and is the oxidizing agent

c)

loses electrons and is the reducing agent

d)

gains electrons and is the reducing agent

71.

Which is a product of glycolysis?

a)

2 molecules of pyruvic acid

b)

1 molecule of glucose

c)

NAD+

d)

oxygen

72.

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

73.

Glycolysis is the second stage of cellular respiration.

a)

True

b)

False

74.

Glycolysis requires oxygen

a)

True

b)

False

75.

Which of these is broken down into pyruvic acid?

a)

glucose

b)

oxygen

c)

water

76.

Glycolysis has a net gain of how many ATP molecules?

a)

2

b)

4

c)

6

77.

Glycolysis has a net gain of how many ATP molecules?

a)

2

b)

4

c)

6

78.

The initial reaction of the Krebs cycle produces:

a)

Glucose and pyruvate

b)

H2O and CO2

c)

CO2, acetyl-CoA, and NADH

d)

Coenzyme A and NADH

79.

Acetyl-CoA is joined up to a ________________________ to form ________________________.


a)

6 carbon compound; acetate

b)

3 carbon compound; acetyl-CoA

c)

4 carbon compound; acetyl-CoA

d)

4 carbon compound; citric acid

e)

6 carbon compound; citric acid

80.

For the two pyruvic acids that enter from glycolysis, the Krebs cycles will yield:

a)

1 ATP, 2 NADH, and 1 FADH2

b)

1 ATP, 2 NADH, and 2 FADH2

c)

1 ATP, 3 NADH, and 1 FADH2

d)

2 ATP, 8 NADH, and 2 FADH2

e)

2 ATP, 4 NADH, and 2 FADH2

81.

Where does the Krebs cycle take place?

a)

Cytoplasm

b)

Inner Mitochondrial Membrane

c)

Outer Mitochondrial Membrane

d)

Mitochondrial Matrix

82.

The waste product produced during the Krebs cycle is...

a)

Oxygen

b)

Water

c)

Carbon Dioxide

d)

ATP

83.

True or False: The Krebs cycle anaerobic.

a)

True

b)

False

84.

Which is a product of glycolysis?

a)

2 molecules of pyruvic acid

b)

1 molecule of glucose

c)

NAD+

d)

oxygen

85.

How many ATP molecules are synthesized from 4 ADP molecules?

a)

2

b)

4

c)

6

d)

1

86.

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

87.

Glycolysis requires oxygen

a)

True

b)

False

88.

Which of these is broken down into pyruvic acid?

a)

glucose

b)

oxygen

c)

water

89.

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

a)

ATP

b)

NADH

c)

ADP

90.

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

a)

2

b)

3

c)

4

d)

1

91.

Glycolysis has a net gain of how many ATP molecules?

a)

2

b)

4

c)

6

92.

How many ATP molecules are required to start glycolysis?

a)

Four

b)

Three

c)

Two

d)

One

93.

Finish the phrase: “As the bonds in glucose are _______ and rearranged, energy is __________.”

a)

broken, released

b)

built, trapped

c)

broken, trapped

d)

built, released

94.

Which of these is a reactant of glycolysis?

a)

pyruvic acid

b)

oxygen

c)

glucose

95.

Glycolysis DOES NOT need ATP to occur.

a)

True

b)

False

96.

Glycolysis has the potential to produce lots of energy very quickly.

a)

True

b)

False

97.
The "regenerator" of the Krebs Cycle is:
a)
Oxaloacetate
b)
Acetyl-CoA
c)
Citrate
d)
α-Ketoglutarate
98.
Before entering Krebs Cycle, pyruvate is:
a)
Oxidized
b)
Reduced
c)
Isomerized to Acetyl-CoA
d)
Phosphorylated
99.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
100.
How many FADH2 molecules are produced by 1 molecule of glucose?
a)
1
b)
2
c)
3
d)
4
101.
How many FADH2 molecules are produced by 1 turn of the Krebs Cycle?
a)
1
b)
2
c)
3
d)
4
102.
How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle?
a)
2
b)
3
c)
4
d)
6
103.
Which of the following is not a requirement for the Krebs Cycle?
a)
NAD+
b)
FAD+
c)
Water
d)
Pyruvate
104.
How many CO2 molecules are produced by the Krebs Cycle for a molecule of glucose?
a)
2
b)
4
c)
6
d)
3
105.
After Krebs Cycle, how many Carbon atoms from the original glucose molecule remain?
a)
0
b)
1
c)
3
d)
2
106.
Krebs Cycle takes place in the:
a)
Cytoplasm
b)
Matrix
c)
Ribsome
d)
InterMembrane Space
107.
Krebs Cycle is part of_______________ respiration.
a)
Aerobic
b)
Anaerobic
108.
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

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