Chapter 3 : Cell Metabolism Flashcards

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1
Q

Aerobic Cellular Respiration Definition

A

Takes in sugar ( glucose) and breaks it down into carbon dioxide and water
—Produces energy in the form of ATP

Requires oxygen and produces carbon dioxide

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2
Q

Anaerobic Fermentation Definition

A

Does not require oxygen

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3
Q

ATP Synthase Definition

A

Is a transport protein and an enzyme

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4
Q

Metabolism Definition

A

Consists of all of the chemical
reactions that take place in a cell

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5
Q

Glycolysis Definition/Meaning

A

Occurs in the cytosol
Splits one glucose into two pyruvate molecules
—Creates 2 ATP, 2 NADH molecules, 2 Pyruvate

Does not require oxygen

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6
Q

Transition Reaction Definition/Meaning—

A

Occurs in the mitochondria

—Creates 2 CO2,2NADH,2 Acetyl

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7
Q

Citric Acid Cycle (Krebs Cycle) Definition/Meaning

A

Occurs in the mitochondria

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8
Q

Electron Transport Chain Definition/Meaning

A

Electrons of FADH2 and NADH are transferred from one protein to another until they reach oxygen

— Results in 32 ATP
(Requires oxygen)

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9
Q

Glycolysis

A

Starts with glucose

Ends with 2 ATP, 2 NADH , 2 Pyruvate

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10
Q

Transition Reaction

A

Starts with 2 pyruvate , 2 Coenzyme A

Ends with 2 CO2 , 2 NADH , 2 Acetyl CoA

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11
Q

Citric Acid Cycle

A

Starts with 2 Acetyl CoA

Ends with 4 CO2 , 2 ATP , 6 NADH and 2 FADH2

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12
Q

Which has a higher pH?
A. Extracellular space
(outside the cell)
B. Cytosol
C. Intramembrane space
of the mitochondrion
D. Lumen of the
mitochondrion

A
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13
Q

When the ETC transports H+ this is called:
A. Simple diffusion
B. Facilitated diffusion
C. Active transport

A
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14
Q

What gives the energy to the ETC to do the active
transport
A. ATP
B. GTP
C. e-
D. NADH
E. O2

A
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15
Q

The ETC transports H+ from where to where?
A. Intramembrane space
to cytosol
B. Cytosol to outside the
cell
C. Intramembrane space
to the lumen
D. Lumen to the
Intramembrane space

A
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16
Q

The ATPsynthase transports H+ from where to
where?
A. Intramembrane space
to cytosol
B. Cytosol to outside the
cell
C. Intramembrane space
to the lumen
D. Lumen to the
Intramembrane space

A
17
Q

When the ATP synthase transports H+ this is called:
A. Simple diffusion
B. Facilitated diffusion
C. Active transport

A
18
Q

What accepts electrons from the ETC ?
A. ATP
B. GTP
C. CO2
D. NADH
E. O2

A
19
Q

What is the starting molecule of glycolysis?
A. Acetyl CoA
B. Protein
C. Glucose
D. Pyruvate (pyruvic acid)

A
20
Q

Which stage produces CO2?
A. Glycolysis
B. Electron Transport
Chain
C. Transition
D. Citric acid Cycle
E. Both 3 and 4

A
21
Q

Which stage uses O2?
A. Glycolysis
B. Krebs Cycle
C. Electron Transport
Chain

A
22
Q

Which stage produces the most NADHs?
A. Glycolysis
B. Krebs Cycle
C. Electron Transport
Chain

A
23
Q

Which stage produces the most ATP?
A. Glycolysis
B. Krebs Cycle
C. Electron Transport
Chain/ATPsynthase

A