Respiration Flashcards

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1
Q

What respiration

A

Carried out by all cells in order to release the sugar from food

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2
Q

What is the energy released from the breakdown of glucose used to generate

A

ATP

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3
Q

What can the energy transferred by ATP be used for

A

Cellular activities

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4
Q

What are the cellular activities that require ATP

A

Muscle cell contraction, cell division, protein synthesis and transmission of nerve impulses

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5
Q

What is glucose broken down into

A

Two molecules of pyruvate

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6
Q

What does the breakdown of glucose yield

A

Two molecules of ATP

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7
Q

What does the further breakdown of glucose depend on

A

The presence/absence of glucose

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8
Q

What happens if oxygen is present

A

Aerobic respiration takes place

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9
Q

What happens during aerobic respiration

A

Each pyruvate is broken down tic carbon dioxide and water

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10
Q

What does aerobic respiration yield

A

A large number of roof ATP molecules

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11
Q

What is the word summary of aerobic respiration

A

Glucose+oxygen —- carbon dioxide+water+energy

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12
Q

What happens in the absence of oxygen

A

The fermentation pathway takes place

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13
Q

What is the fermentation pathway

A

In animals cells the pyruvate molecules are converted to lactate and in plant an yeast cells they are converted to carbon dioxide and ethanol

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14
Q

What does the fermentation pathway yield

A

Two molecules of ATP

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15
Q

What is the word summary of this process in animal cells

A

Glucose —- lactate+energy

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16
Q

What is the word summary for this process in plant and yeast cells

A

Glucose —- carbon dioxide+ethanol+enenergy

17
Q

Where does respiration begin

A

Cytoplasm

18
Q

Where is the process of fermentation completed

A

Cytoplasm

19
Q

Where is the process of aerobic respiration completed

A

Mitochondria

20
Q
A