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GCSE Flashcards (Multiple exam boards) > Biology Bioenergetics May 2018 > Flashcards

Biology Bioenergetics May 2018 Flashcards

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1
Q

What is photosynthesis?

A

Photosynthesis is a chemical reaction that occurs in the green chloroplasts of plants.

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2
Q

Is photosynthesis endothermic or exothermic?

A

Endothermic

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3
Q

What happens in photosynthesis?

A

The sun converts carbon dioxide and water to form glucose and oxygen by using light from the sun

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4
Q

What is the word equation for photosynthesis?

A

carbon dioxide + water —> glucose + oxygen

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5
Q

What is the symbol equation for photosynthesis?

A

(6)CO2 + (6)H2O –> C6H12O6 + (6)O2

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6
Q

What are the limiting factors of photosynthesis?

A

Low temperatures, shortage of carbon-dioxide shortage of light and shortage of chlorophyll

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7
Q

What are the two types of respiration?

A

Aerobic and Anaerobic

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8
Q

What is aerobic respiration?

A

Aerobic respiration is a chemical reaction that occurs in the mitochondria of cells

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9
Q

Is aerobic respiration endothermic or exothermic?

A

Exothermic

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10
Q

What happens in aerobic respiration?

A

It releases energy stored in cells to allow cells to complete the other 6 life processes of movement, reproduction, sensitivity, nutrition, excretion & growth

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11
Q

What is the word equation for aerobic respiration?

A

Glucose + oxygen —> carbon dioxide + water

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12
Q

What is the symbol equation for aerobic respiration?

A

C6H12O6 + (6)O2 —> (6)CO2 + (6)H2O

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13
Q

What is anaerobic respiration?

A

Anaerobic respiration is a chemical reaction that occurs in the mitochondria of cells in the absence of oxygen

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14
Q

What is the word equation fro anaerobic respiriation?

A

Glucose –> Lactic acid

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15
Q

What is the symbol equation for anaerobic respiration?

A

C6H12O6 –> (2)C3H6O3

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16
Q

What is oxygen debt?

A

An oxygen debt is when you have a temporary shortage of oxygen in respiring tissues and organs

17
Q

What is the metabolism?

A

The sum of all chemical reactions that happen in an organism.

18
Q

What is urea?

A

A key waste product of protein metabolism in mammals that is excreted in urine.

GCSE Flashcards (Multiple exam boards) (48 decks)

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