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N5 Biology > 1.6 Respiration > Flashcards

1.6 Respiration Flashcards

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1
Q

What substrate is broken down to release energy in respiration?

A

Glucose

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2
Q

The energy released from the breakdown of glucose is used to produce which molecule?

A

ATP

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3
Q

What is the first stage of respiration called?

A

Glycolysis

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4
Q

Where does Glycolysis take place in the cell?

A

The cytoplasm

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5
Q

During Glycolysis, what does the Glucose get broken down in to?

A

Pyruvate

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6
Q

Does Glycolysis require oxygen?

A

No

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7
Q

During stage 2, what is the pyruvate broken down in to?

A

Carbon dioxide and water

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8
Q

How many ATP are produced when Glucose is broken down in the presence of oxygen?

A

38

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9
Q

Where in the cell does stage 2 of respiration occur?

A

The mitochondria

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10
Q

What is the breakdown of glucose without oxygen known as?

A

Fermentation

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11
Q

How many ATP are produced in fermentation?

A

2

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12
Q

Where in the cell does fermentation take place?

A

The cytoplasm

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13
Q

What is the waste product produced in fermentation in animal cells?

A

Lactic acid

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14
Q

What are the waste products produced in fermentation in plants and yeast?

A

Carbon dioxide and ethanol

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15
Q

What can be used to convert lactate back to pyruvate?

A

Oxygen

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16
Q

What do we call the volume of oxygen required to convert all the lactate back to pyruvate?

A

Oxygen debt

17
Q

A build up of lactic acid causes what to happen?

A

Muscle fatigue, the muscles fail to contract.

18
Q

What piece of equipment can be used to measure the rate of respiration?

A

A respirometer

19
Q

What are the waste products produced in aerobic respiration?

A

Carbon dioxide and water

20
Q

How is energy released from ATP?

A

It is broken down in to ADP and a phosphate

21
Q

Name a process that the energy from ATP is used for

A

Remember M.A.T.S
Muscular Contraction
Active Transport
Transmission of a nerve impulse
Synthesis of proteins

N5 Biology (19 decks)

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