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Biology GCSE AQA > Bioenergetics > Flashcards

Bioenergetics Flashcards

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1
Q

What’s the equation for photosynthesis

A

Carbon dioxide + water > Glucose + oxygen
CO2 + H2O > C6 H12 O6 + O2

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2
Q

What is the equation for aerobic respiration

A

Glucose + Oxygen > Carbon dioxide + water
C6 H12 O6 + O2 > CO2 + H2O

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3
Q

What is the equation for aerobic respiration in muscles

A

Glucose > lactic acid

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4
Q

What’s the equation for anaerobic respiration in plants and yeast cells

A

Glucose > ethanol + carbon dioxide

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5
Q

How does respiration in cells take place to transfer energy

A

Aerobically (using oxygen) or Anaerobically (without oxygen)

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6
Q

The energy transferred by respiration is

A

All the energy needed for a living process

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7
Q

Anaerobic respiration and used cells is called

A

Fermentation

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8
Q

During exercise the human body reacts to increase

A

The demand for energy

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9
Q

The heart rate breathing rate and breath volume increase during exercise. Why?

A

To supply the muscles with more oxygenated blood

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10
Q

Blood flowing through the muscles transports lactic acid to?

A

The liver

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11
Q

When lactic acid is transported to the liver where is it converted back into

A

Glucose

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12
Q

What is oxygen debt

A

It is the amount of extra oxygen in the body after exercise to react with the accumulated lactic acid and remove it from the cells

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13
Q

Define metabolism

A

Metabolism is the sum of all the reactions in a cell or body

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14
Q

The energy is transferred by respiration in cells used by what

A

The organism

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15
Q

The transfer of energy by respiration in cells is used by organisms for what

A

For the enzymes to control the process of metabolism and synthesizing new molecules

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16
Q

How can oxygen production be used to show the rate of photosynthesis

A

Measure the volume of oxygen produced in a given time

Or

When more oxygen is produced in a given time the rate of photosynthesis is faster

17
Q

what do organisms need energy for

A

Chemical reactions to build larger molecules
movement
keeping warm

18
Q

When insufficient oxygen is supplied what happens

A

Anaerobic respiration takes place in muscles

19
Q

What is the process of photosynthesis

A

Endothermic

20
Q

A product of photosynthesis is glucose. which of the following is not a product in photosynthesis

A. Respiration
B. For making amino acids
C. For making cellulose
D. Transpiration

A

D. Transpiration

21
Q

What type of molecule is formed from combining glucose molecules with nitrate ions

A

Amino acids

22
Q

Which organ converts lactic acid into glucose

A

The liver

23
Q

What is the sum of all reactions that happen in a cell or body known as

A

Metabolism

24
Q

What type of respiration transfers the most energy

A

Aerobic respiration

25
Q

Exothermic ?

A

Releases energy

26
Q

Endothermic

A

Takes in energy

27
Q

What’s the equation for anaerobic respiration in muscles

A

Glucose > Lactic acid

28
Q

What’s the equation for anaerobic respiration in plants and yeast cells

A

Glucose > ethanol + carbon dioxide 

29
Q

What is meant by oxygen debt

A

The oxygen debt is the amount of extra oxygen the body needs after exercise to deal with the accumulated lactic

30
Q

Define metabolism

A

The sum of all chemical reactions in a cell or the body

Biology GCSE AQA (8 decks)

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