chapter 7 Flashcards

(20 cards)

1
Q

During cellular respiration, oxidation is the result of the removal of _______ atoms from substrates such as glucose.

A

hydrogen

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2
Q

__________ and ________ are the coenzymes that carry out the oxidation during cellular respiration.

A

NAD+ and FAD

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3
Q

The production of ATP by using the electrochemical gradient of H+ is known as:

A

chemiosmosis

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4
Q

The prep (transition) reaction takes place in the:

A

mitochondrial matrix

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5
Q

In the electron transport chain, _____________ is the terminal electron acceptor.

A

O2

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6
Q

The total ATP yield of cellular respiration, in terms of ATP, is:

A

36 or 38 ATP

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7
Q

In terms of its need for oxygen being present, glycolysis is an ________________ series of reactions.

A

anaerobic

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8
Q

Why is it beneficial for pyruvate to be reduced during fermentation?

A

because it regenerates NAD+

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9
Q

Production of ATP during glycolysis is via a process called:

A

substrate-level phosphorylation

substrate-level phosphorylation

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10
Q

NADH produced during glycolysis is transported and becomes part of which phase of cellular respiration?

A

electron transport chain

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11
Q

The net production of ATP molecules from glycolysis is:

A

2

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12
Q

During the preparatory reaction, 2 molecules of _________, a waste product, are produced.

A

CO2

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13
Q

Where does the citric acid cycle occur?

A

the mitochondrial matrix

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14
Q

During the citric acid cycle, _________ ATP, __________ NADH, and _________FADH2 are produced via oxidation reactions.

A

2 6, 2

2 6, 2

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15
Q

The coenzymes NADH and FADH2 are carrying what to the electron transport chain?

A

high-energy electrons

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16
Q

The first six-carbon product of the citric acid cycle is:

17
Q

During the electron transport chain, each of the carrier proteins, in turn, is _____________ then _____________.

A

reduced, oxidized

18
Q

After accepting the low energy electrons at the end of the electron transport chain, O2 reacts to form:

19
Q

The hydrogens from NADH and FADH2 are pumped to ______________ by electron transport chain carrier proteins

A

the inner membrane space

20
Q

The sum of all the metabolic processes that involve breaking down other molecules in the body is known as: