Photosynthesis Study Cards

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in the thylakoid membrane

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1

in the thylakoid membrane

Where are pigments located in a chloroplast?

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2

True

True or False. Both plant and animal cells contain mitochondria.

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3

pigments, like chlorophyll

________ are used the absorb sunlight.

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4

convert glucose/organic compounds to ATP/energy

What is the function of the mitochondria?

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5

oxygen and glucose

Name two overall products of photosynthesis

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6

dark reaction

Which cycle does not require direct sunlight?

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7

light intensity, carbon dioxide concentration, temperature

Name three items that effect the rate of photosynthesis?

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8

C6H12O6

What is the chemical formula for glucose?

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9

H2O & CO2

What is the chemical formula for water & carbon dioxide?

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10

autotrophs

What are organisms called that make their own food?

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11

photoautotrophs

What are organisms called that use sunlight to make their own food?

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12

to produce ATP/energy for the dark reaction

What is the main function of the light reaction in photosynthesis?

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13

chloroplasts

Which organelle take in sunlight & makes organic compounds?

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14

oxygen

What gas is produced in photosynthesis?

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15

carbon dioxide and water

Name two overall reactants of photosynthesis.

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16

green

What color is reflected by green plants?

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17

they don't absorb the green wavelength

Why can't plants grow in green light?

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18

bond between phosphates

Where is energy located in an ATP molecule?

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19

ATP synthase places a phosphate and ADP close together to form a bond

How is ATP formed?

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20

oxygen, ATP, NADPH

Name the three products of the light reaction?

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21

light reaction

Oxygen, ATP, and NADPH are produced in what reaction?

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22

ATP-has three phosphate bonds... ADP only has two bonds

What contains more energy, ADP or ATP?

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23

dark reaction

CO2, ATP, & NADPH are used in what reaction?

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24

sunlight/light energy to chemical energy in glucose

What type of energy transfer is occurring in photosynthesis?

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25

glucose, ADP, and NADP+

What are the three products of the dark reaction?

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26

adenosine triphosphate

What does ATP stand for?

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27

H2O

What molecule provides an electron in photosynthesis?

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28

energy is released

What happens when a chemical bond is broken (like ATP to ADP)

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29

Chlorophyll

Name the main pigment involved in photosynthesis.

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30

oxygen

What byproduct is formed when plants split water besides H+?

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31

it does not need light

Why is the dark reaction called the "dark" reaction?

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32

pigment/chlorophyll

Where in a chloroplast is sunlight "absorbed"?

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33

make glucose

What is the main purpose of the Dark reaction?

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34

Light Rxn: along the thylakoid membrane

In which part of the chloroplast does the light reaction occur?

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35

the breakdown of glucose/food into energy/ATP

Describe photosynthesis.

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36

ADP, NADP+, glucose

List 3 products of the dark (light-independent) reaction.

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37

oxygen, ATP, NADPH

Name 3 products of the light-dependent reaction.

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38

water, ADP, NADP+

Name 3 reactants of the light-dependent reaction.

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39

ATP & NADPH

What "fuel/batteries" are formed in the light reaction?

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40

NADPH

What contains more energy, NADP+ or NADPH?

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41

ATP synthase rotates and places phosphate and ADP close enough to bond together)

How does ATP synthase "build" ATP?

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42

ATP, NADPH, carbon dioxide

Name 3 reactants of the dark (light-independent) reaction.

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43

provide "fuel/batteries" for the dark reaction

What is the purpose of the light reaction?

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44

NADH - it has taken on electrons

Which of the following molecules is the low energy NADH or NAD+?

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45

energy is released... example ATP to ADP

What occurs when a high-energy chemical bond is broken?

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46

a build-up of a certain substance on one side of a membrane

What is a concentration gradient?

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47

build up of H+ ions inside the thylakoid membrane, forms a concentration gradient

Where does the energy to convert ADP to ATP come from during the light reaction?

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48

H+ ions

What forms the concentration gradient during the electron transport chain in cellular respiration?

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49

ATP synthase

What is the name of the enzyme that joins ADP and a free phosphate (Pi) during the light reaction?

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50

Absorbs sunlight

Why is chlorophyll a the most important pigment in a plant?

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51

Changes carbon dioxide into glucose/organic compounds

What does the dark reaction cycle do?

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52

Dark Rxn: stroma/liquid in thylakoid

The light-independent (Dark) reaction?

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