Photosynthesis Flashcards

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1
Q

How do autotrophs make their food

A

via photosynthesis

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2
Q

what are major sites of photosynthesis in green plants

A

chloroplasts

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3
Q

where are chloroplasts concentrated

A

mesophyll

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4
Q

__ are tiny pores in a leaf that allow carbon dioxide to enter and oxygen to exit

A

stomata

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5
Q

what type of light drives photosynthesis

A

visible light

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6
Q

what do pigments in chloroplasts absorb

A

photons

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7
Q

what happens in the thylakoid membrane

A

absorb photons
transfer the energy to other pigment molecules

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8
Q

photosystems are

A

what chlorophyll molecules are organized into

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9
Q

cellular respiration uses redox reactions to ___ enegry

A

harvest

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10
Q

what is the conversion of energy in photosynthesis

A

light energy to chemical energy

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11
Q

What is Stage 1 of photosynthesis

A

Light reactions

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12
Q

where do light reactions occur

A

in the thylakoid membrane

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13
Q

In light reactions ATP is generated from

A

ADP and a phosphate group

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14
Q

What is stage 2 of photosynthesis

A

dark reactions; light independent reactions

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15
Q

What is another name for dark reactions

A

calvin cycle

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16
Q

where does the calvin cycle occur

A

in the stroma of the chloroplast

17
Q

What does the calvin cycle porduce

A

sugar

18
Q

During the calvin cycle CO2 is incorporated into organic compounds in a process called

A

carbon fixation

19
Q

What does the calvin cycle use to make sugar?

A

CO2 and energy rich products from light reactions

20
Q

Light Reactions use ____ and ___ from the calvin cycle

A

NADP+ and ADP

21
Q

the calvin cycle uses ___ and __ from light reactions

A

ATP and NADPH

22
Q

What is photophosphorylation

A

use light energy to convert ADP to ATP

23
Q

the mitochondria use oxidative phosphorylation to transfer

A

chemical energy from food into chemical energy of ATP

24
Q

chloroplasts use photophosphorylation transfer

A

light energy into chemical energy of ATP

25
Q

What powers sugar synthesis

A

ATP and NADPH

26
Q

in the calvin cycle where is the sugar made?

A

in chloroplasts