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Micro Exam 3 > Metabolism > Flashcards

Metabolism Flashcards

0
Q

How is atp derived during catabolism?

A

From breakdown of carbohydrates, lipids and proteins

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1
Q

What is the energy source for metabolism?

A

ATP

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2
Q

What is the ATP derived from catabolism used for in anabolism?

A

In synthesis of cellular components

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3
Q

What are catabolism and anabolism referred to when combined?

A

Metabolism

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4
Q

What is the primary carb used to produce energy?

A

Glucose

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5
Q

When does glycolysis occur?

A

In the presence or absence of oxygen

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6
Q

How many molecules of glucose get converted to pyruvate?

A

1 glucose –> 2 pyruvate

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7
Q

How many ATP are gained during glycolysis? And how?

A

2 ATP via substrate level phosphorylation

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8
Q

How many NADH are gained during glycolysis?

A

2

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9
Q

What is TCA cycle Aka?

A

Krebs cycle

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10
Q

What happens to pyruvic acid during TCA (KC)?

A

It is completely oxidized to water and CO2

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11
Q

How many ATP, NADH, and FADH2 are gained during TCA?

A

2 ATP, 6 NADH, 2 FADH2

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12
Q

What is the final electron acceptor in the electron transport chain?

A

Oxygen

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13
Q

What is ATP synthesized as a result of during ETC? And what is this referred to as?

A

Proton motive force generated by passing electrons along chain. = chemiosmotic theory

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14
Q

What is oxidative phosphorylation?

A

The use of reducing power of NADH and FADH2 to synthesize ATP.

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15
Q

What is the process of transferring electrons from NADH and FADH2 to oxygen called?

A

Aerobic respiration

16
Q

What is anaerobic respiration?

A

In an absence of oxygen, electrons are transferred to an inorganic terminal electron acceptor (such as sulfur)

17
Q

What is fermentation?

A

In the absence of oxygen if electrons are transferred to an organic terminal electron acceptor

18
Q

What is the ATP yield from catabolism of glucose during aerobic respiration?

A

38 ATP

19
Q

What is the ATP yield from catabolism of glucose during anaerobic respiration?

A

30 or less ATP

20
Q

What is the ATP yield from catabolism of glucose during fermentation?

A

2-4 atp

Micro Exam 3 (7 decks)

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