Question 1

what is respiration?

Accepted Answer

it is a process which releases energy from food

Answer

it is a process which is used by plants to make food

Answer

it is a process which makes energy from food

Question 2

what is the word equation for respiration?

Accepted Answer

glucose + oxygen --> carbon dioxide + water

Answer

carbon dioxide + water --> glucose + oxygen

Question 3

what is anaerobic respiration?

Accepted Answer

respiration without oxygen

Answer

respiration with oxygen

Question 4

what is aerobic respiration?

Accepted Answer

respiration with oxygen

Answer

respiration without oxygen

Question 5

What type of reaction is respiration?

Accepted Answer

exothermic, releases energy

Answer

endothermic, takes in energy

Question 6

where does aerobic respiration take place?

Accepted Answer

mitochondria

Answer

cytoplasm

Question 7

If a cell is very active, what will it have a lot of?

Accepted Answer

mitochondria

Answer

cytoplasm

Question 8

what is respiration used for?

Accepted Answer

basic functions of life, building up larger molecules from smaller ones, break down larger molecules into smaller ones, muscles contract, keeping internal temperature constant and in plants to transfer mineral ions throughout the plant

Answer

basic functions of life, building up larger molecules from smaller ones, break down larger molecules into smaller ones, muscles contract, keeping internal temperature constant and in plants to transfer mineral ions throughout the plantbasic functions of life, building up larger molecules from smaller ones, break down larger molecules into smaller ones, muscles relax, keeping internal temperature constant and in plants to transfer mineral ions throughout the plant

Question 9

how is excess glucose stored in our bodies?

Accepted Answer

glycogen

Answer

glucagon

Question 10

what happens when we exercise?

Accepted Answer

more respiration needs to occur, breathing rate increases to take more oxygen in and remove carbon dioxide, heart rate increases to provide muscles with more oxygen and glucose for the increased respiration

Answer

less respiration needs to occur, breathing rate increases to take more oxygen in and remove carbon dioxide, heart rate increases to provide muscles with more oxygen and glucose for the decreased respiration

Question 11

what happens when you exercise?

Accepted Answer

glycogen is broken down into glucose to supply cells with fuel

Answer

glucagon is broken down into glucose to supply cells with fuelglycogen is broken down into glucose to supply cells with fuel

Question 12

when does anaerobic respiration occur?

Accepted Answer

when you exercise hard

Answer

when walking

Question 13

which releases more energy: aerobic or anaerobic?

Accepted Answer

aerobic

Answer

anaerobic

Question 14

in animal cells what is produced from anaerobic respiration?

Accepted Answer

lactic acid

Answer

ethanol and carbon dioxide

Question 15

what is muscle fatigue?

Accepted Answer

when muscles are used vigorously for a long time, lactic acid builds up because of anaerobic respiration

Answer

when muscles are used slowly for a short time, lactic acid builds up because of anaerobic respiration

Question 16

what is oxygen debt?

Accepted Answer

you carry on breathing fast and hard after exercise to break down the lactic acid that built up into carbon dioxide and water

Answer

when you are out of breath and keep puffing and panting

Question 17

HT - oxygen debt repayment:

Accepted Answer

lactic acid + oxygen --> carbon dioxide + water

Answer

lactic acid + oxygen --> energy

Question 18

what is produced when plant cells and microorganisms do anaerobic respiration?

Accepted Answer

ethanol + carbon dioxide

Answer

ethanol

Question 19

what is the anaerobic respiration of yeast called?

Accepted Answer

fermentation

Answer

brewing of alcohol

Question 20

what is fermentation used for?

Accepted Answer

the making of bread and alcoholic drink

Answer

releasing carbon dioxide

Question 21

what is metabolism?

Accepted Answer

all of the reactions that take place in a cell or in the body

Answer

important reactions that happen in the cells

Question 22

what are some examples of metabolic reactions?

Accepted Answer

converting glucose into starch/glycogen and cellulose, formation of lipids from glycerol and fatty acids, using glucose and nitrate ions to form amino acids and make proteins (in plants), respiration, photosynthesis, breaking down excess proteins in the liver

Answer

converting glucose into starch/glycogen and cellulose, formation of lipids from glycerol and amino acids, using glucose and nitrate ions to form amino acids and make proteins (in plants), respiration, photosynthesis, breaking down excess proteins in the liver

Question 23

HT - what is the role of liver?

Accepted Answer

breaking down poisonous substances such as alcohol and passing the breakdown products into the blood so they can be excreted (removed) from the body, breaking down old worn out blood cells and removing lactic acid

Answer

breaking down poisonous substances such as oxygen and passing the breakdown products into the blood so they can be excreted (removed) from the body, breaking down old worn out blood cells and removing lactic acid

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