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bio > module 5 - cell energy > Flashcards

module 5 - cell energy Flashcards

1
Q

photosynthesis involves

A

light and gas exchange

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2
Q

where does photosynthesis occur?

A

chloroplasts

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3
Q

what 2 pathways involves photosynthesis?

A

light reactions and carbon-fixation reactions

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4
Q

light reactions

A

convert light energy into chemical energy in form of ATP and NADPH

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5
Q

carbon-fixation reactions (light-independent reactions)

A

use ATP, NADPH and CO2 to produce carbs

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6
Q

where does light reactions take place in

A

thylakoid membrane

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7
Q

where does carbon-fixation reactions take place in

A

stroma

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8
Q

pigments

A

molecules that absorb wavelength in visible spectrum

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9
Q

light energy is _______ by pigments in photosynthesis

A

absorbed

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10
Q

what is light

A

form of electromagnetic radiation

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11
Q

photons

A

particles of light

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12
Q

light energy is ________ by molecules

A

absorbed

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13
Q

each pigment absorbs _____ ?

A

specific wavelengths

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14
Q

what does chlorophyll’s structure allow?

A

absorb energy from light

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15
Q

chlorophyll pigments are arranged in

A

photosystems

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16
Q

photosystem

A

complex of proteins and pigments in the thylakoid membrane

17
Q

2 parts of photosystem

A

antenna system and reaction center

18
Q

what do light reactions of photosynthesis lead to

A

ATP, NADPH and O2

19
Q

how does photosynthesis generate organic molecules?

A

ATP and NADPH

20
Q

how does carbon fixation into sugar?

A

use ATP and NADPH to convert CO2

21
Q

what does light stimulate?

A

Calvin cycle

22
Q

why does chloroplasts and mitochondria collaborate?

A

supply cells with metabolites and ATP un plant cells

23
Q

what are examples of rich stores of starch and fats

A

corn and nuts and peas

24
Q

enzymes are

A

catalysts

bio (13 decks)

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