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National 5 Biology > Respiration > Flashcards

Respiration Flashcards

1
Q

What cellular activities may energy generated by respiration be used for in the body

A

Muscle cell contraction
Cell division
Protein synthesis
Transmission of nerve impulses

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2
Q

Which type of respiration is more efficient and why?

A

Aerobic respiration produces a larger yield (number) of ATP

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3
Q

Explain why cells, such as muscle or sperm cells, contain a large number of mitochondrion

A

They require a lot of energy to perform their functions

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4
Q

In which cell structure(s) is
A aerobic respiration carried out
B fermentation carried out

A

A Mitochondria

B Cytoplasm

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5
Q

Draw a simple diagram to show both stages of fermentation in plants and yeast

A

Glucose-2ATP->Pyruvate->CO2 + ethantol

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6
Q

Write the summary equation for fermentation in plants and yeast

A

Pyruvate-> CO2->Ethanol+energy

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7
Q

where is the process of aerobic respiration completed

A

Mitochondria

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8
Q

Where is the process of fermentation completed

A

Cytoplasm

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9
Q

Where in the cell does respiration begin

A

Cytoplasm

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10
Q

How many molecules of ATP are produced via the fermentation pathway

A

2

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11
Q

What is pyruvate broken down into during the second stage of fermentation in plant and yeast cells

A

CO2 and ethanol

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12
Q

What is pyruvate broken down into during the second stage of fermentation in humans

A

Lactate

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13
Q

What is the overall word equation for fermentation in humans

A

Pyruvate-> lactate + energy

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14
Q

Draw a simple diagram to show both stages of aerobic respiration

A

Glucose->pyruvate->CO2+Water+ATP
/
2ATP

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15
Q

How many molecules of ATP are produced during the second stage of aerobic respiration

A

Many

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16
Q

Name the products of the second stage of aerobic respiration

A

Co2
water
lots of ATP

17
Q

Name the raw materials of the second stage of aerobic respiration

A

pyruvate + oxygen

18
Q

How many molecules of ATP are produced in the first stage of respiration

A

2

19
Q

Name the products of the 1st stage of both types of respiration

A

pyruvate and 2ATP

20
Q

Name the raw material of the first stage of both types of respiration

A

Glucose

21
Q

Name the products of aerobic respiration

A

CO2 + water

22
Q

Name the raw materials of aerobic respiration

A

glucose and O

23
Q

what is the overall equation for aerobic respiration

A

Glucose + oxygen -> CO2+ water+ energy

24
Q

What is it meant by the term fermentation

A

respiration that occurs in the absence of oxygen

25
Q

What is it meant by the term aerobic respiration

A

respiration that occurs when oxygen is present

26
Q

Name the high energy molecule which stores the energy produced during respiration

A

ATP

27
Q

what substance controls the reactions in respiration

A

enzymes

28
Q

What is respiration

A

the chemical energy stored in glucose is released by all cells

National 5 Biology (19 decks)

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