bio unit 3

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metabolism

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44 Terms

1

metabolism

the entire set of chemical reactions that sustain life is called

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2

catabolism

large molecules are broken down and ATP is produced in the process of

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3

ribose

the atp molecule contains

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4

the use of ATP by cells began long ago and has been conserved over time

nearly all cells use ATP as their primary energy source. This is evidence that ______

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5

heat

in chemical reactions, most of the entropy increase occurs as

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6

entropy

the lid of a container containing gas is removed. As a consequence, the molecule of the gas has more space available to them to spread out. For the gas released from the container, which increases?

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7

the difference in energy between the transition state and the product

the energy of activation of a reaction is:

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8

activation energy

in a reaction, enzymes change the ___

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9

highly specific

enzymes are typically

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10

a site on the enzyme that is not the active site

allosteric inhibitors of an enzyme bind to ____

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11

enzymes catalyze chemical reactions

which statement is true regarding enzymes?

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12

the transition state when the reaction is not catalyzed by an enzyme

in a given reaction, which has the highest amount of free energy?

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13

a narrow range of pH

most enzymes work best at _____

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14

plants use chlorophyll and chloroplasts to convert light energy into chemical energy

which of the following is the best biological example/application of the first law of thermodynamics?

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15

exergonic

-delta G, spontaneous, catabolic

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16

endergonic

+delta G, non-spontaneous, anabolic

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17

hydrolysis; exergonic, phsophorylation; endergonic

the ___ of ATP is ____

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18

non covalent; reversible

the bonds between enzyme and substrate at the active site tend to be ___ and therefore, ___

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19

sunlight, carbon dioxide, and water

photosynthesis is the pathway used to synthesize carbohydrates from

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20

H2O

in plants and algae, what is the source of the electrons needed for photosynthesis?

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21

O2

in plants an algae, which is a by-product of photosynthesis?

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22

water, H2O

during photosynthesis in plants and algae, what molecule is (as in “becomes”) oxidized?

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23

CO2

during photosynthesis in plants and algae, what molecule is reduced?

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24

in the thylakoid membranes of the chloroplast

where is the photosynthetic electron transport chain located in plant cells?

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25

stroma of the chloroplast

in the chloroplasts of plant cells, the synthesis of carbohydrates takes place in the

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26

the changes in the energy level of electron donors along the photosynthetic electron transport chain

the z scheme refers to

<p>the z scheme refers to </p>
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27

reduced - gain of electrons, charge goes down, WITH H

in the light reactions of photosynthesis, NADP+ is

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28

ATP and NADPH

which products of the light reactions of photosynthesis are required as reactions of the calvin cycle?

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29

thylakoid space to the stroma

chloroplast ATP synthases are powered by the flow of protons from the

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30

it is one of the most abundant enzymes on earth

which is a characteristic of rubisco?

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31

a small amount of ATP is produced by substrate-level phosphorylation; most is produced by oxidative phosphorylation

which best describes ATP production during cellular respiration?

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32

two pyruvate molecules (each having 3 C’s)

at the end of glycolysis, the carbon molecules originally found in the starting glucose molecule are in the form of

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33

oxidized

in cellular respiration, glucose is ___ through the process of cellular respiration

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34

oxygen

the final electron acceptor of the electron transport chain is

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35

mitochondrial matrix

in eukaryotes, pyruvate oxidation takes place in

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36

oxygen gas

which is not a product of cellular respiration?

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37

gains electrons and is reduced

in cellular respiration, oxygen

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38

ATP is synthesized by substrate-level phosphorylation

during the krebs cycle

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39

cytoplasm

fermentation takes place

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40

catabolic reactions

cellular respiration is a series of

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41

reduced

during lactic acid fermentation, pyruvate is

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42

it loses electrons

which statement is true regarding a molecule that is oxidized?

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43

glycogen in animals

excess glucose is stored in large branched molecules of

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44

ATP synthase

for the potential energy of a proton gradient to be converted to the chemical energy of ATP, the movement of protons down their electrochemical gradient must be coupled with ATP synthesis. This coupling is made possible by

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