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Biology > Respiration (chpt. 12) > Flashcards

Respiration (chpt. 12) Flashcards

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1
Q

Respiration

A

The release of energy from food by living cells

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2
Q

Word equation for respiration

A

Glucose + oxygen → carbon dioxide + water + energy

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3
Q

What is the function of respiration?

A

Provide energy

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4
Q

Aerobic respiration

A

Release of energy from food in the presence of oxygen

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5
Q

Anaerobic respiration

A

Release of energy from food when oxygen is not present

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6
Q

Fermentation

A

The anaerobic respiration of sugars

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7
Q

Advantages of ATP

A

• energy readily available
• easily broken down
• energy easily released

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8
Q

What stage of respiration occurs in the cytosol?

A
  1. Glycolysis
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9
Q

What stage of respiration occurs in the mitochondria?

A
  1. Kreb’s cycle
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10
Q

Describe glycolysis

A

The anaerobic breakdown of glucose into pyruvate

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11
Q

Why does lactic acid sometimes form in animal tissue?

A

Absence of oxygen

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12
Q

Explain how Acetyl CoA is produced

A

Pyruvate loses carbon dioxide

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13
Q

Identify a product produced during the Kreb’s cycle that enters the electron transport chain

A

NADH

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14
Q

Name the stage that is common to both anaerobic and aerobic respiration

A

Glycolysis

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15
Q

How many carbon atoms are present ent the end stage of glycolysis?

A

3

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16
Q

Name the product of stage one of respiration

A

Pyruvate

17
Q

Does the first stage of respiration produce large or small amounts of energy?

A

Small

18
Q

State one product of the electron transport chain

A

Water
ATP

19
Q

How many carbon atoms are present in pyruvate?

A

3

20
Q

Describe the process of glycolysis

A

Glucose broken down into pyruvate
ADP + phosphate converted into ATP

21
Q

Describe the series of reactions to convert NADH to ATP

A

High energy electrons passed from NADH to carrier molecules, as electrons passed along electron transport chain, it loses energy which is used to form ATP

22
Q

What is the function of oxygen in respiration

A

Combines low energy electrons from electron transport chain

23
Q

State the number of carbon atoms in a molecule of acetyl coA

A

2

Biology (34 decks)

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