Respiration

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What is the full name of ATP?

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34 Terms

1

What is the full name of ATP?

adenosine triphosphate

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2

What does ATP break down into?

ADP + pi

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3

What enzyme catalyses the breakdown of ATP?

ATP hydrolase

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4

What enzyme catalyses the making of ATP?

ATP synthase

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5

Where is ATP made?

mitochondria and cytoplasm

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6

What are the uses of ATP? (AMMMMP)

active transport

movement

metabolism

maintenance, repair and division

maintenance of body temperature

photosynthesis

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7

Properties of ATP

immediate source of energy

soluble in water

universal energy

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8

What are the four stages of aerobic respiration?

glycolysis

link reaction

krebs cycle

electron transport chain

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9

Where does glycolysis take place?

cytoplasm

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10

What is oxidation? (in terms of hydrogen)

loss of hydrogen

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11

What is reduction? (in terms of hydrogen)

gain of hydrogen

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12

What is a coenzyme?

a molecule that transfers a chemical group from one thing to another

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13

What is the first stage of glycolysis?

glucose is phosphorylated to phosphorylated glucose

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14

What is the second stage of glycolysis?

phosphorylated glucose splits into two triosphosphate molecules

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15

What is used to make Phosphorylated glucose?

2 ATP

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16

What is the third stage of glycolysis?

triosphosphate is oxidised to pyruvate

NAD is reduced to NADH

2 ATP is made

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17

What are the products of glycolysis?

2 ATP

2 NADH

2 pyruvate

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18

Where does the Link reaction and Krebs cycle happen?

matrix of the mitochondria

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19

By what process does pyruvate pass into the mitochondria?

active transport

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20

What is the link reaction?

pyruvate get decarboxylated to acetate

acetate joins with coenzyme A to make acetyl coenzymeA

NAD is reduced to NADH

the carbon from pyruvate is oxidised to carbon dioxide

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21

What are the products of the link reaction?

2 acetyl coenzymeA

carbon dioxide

2 NADH

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22

What is the four carbon molecule called in the krebs cycle?

oxaloacetate

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23

What is the six carbon molecule called in the krebs cycle?

citrate

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24

What happens in the first stage of the krebs cycle?

acetyl coenzymeA becomes acetate and binds with a four carbon molecule to make a six carbon molecule

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25

What is the second stage of the krebs cycle?

the six carbon molecule gets decarboxylated to a five carbon molecule

NAD is reduced to NADH

carbon oxidised to carbon dioxide

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26

What happens in the third stage of the krebs cycle?

the five carbon molecule is decarboxylated to a four carbon molecule

FAD is reduced to FADH

carbon is oxidised to carbon dioxide

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27

What happens between the six carbon molecule and the four carbon molecule in the krebs cycle?

substrate level phosphorylation

makes ATP

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28

What are the products of the krebs cycle?

2 ATP

2 FADH

2 NADH

4 carbon dioxide

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29

Where does the electron transport chain take place?

cristae of the mitochondria

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30

What is the first step of the electron transport chain?

NADH and FADH are oxidised and the protons are passed through a proton pump into the intermembrane space

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31

What happens to the electrons in the electron transport chain?

the electrons are passed across the membrane in a series of oxidation reduction reactions

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32

What is created in the electron transport chain with the protons and electrons?

an electrochemical gradient

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33

What is the membrane bound protein that makes ATP?

ATP synthase

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34
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