4. Photosynthesis Flashcards

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1
Q

which molecule is reduced during photosynthesis?

A

CO2

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2
Q

which molecule is oxidized during photosynthesis?

A

H2O

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3
Q

what does a photosystem consist of?

A

a reaction-center complex + several light-harvesting complexes

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4
Q

what is included in light-harvesting complexes?

A

chlorophyll b + carotenoids

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5
Q

the difference between chlorophyll a and chlorophyll b?

A

ch a has a CH3 group in its poriferan ring, while ch b has a CHO group instead

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6
Q

which inorganic element is found in chlorophyll a?

A

Magnesium

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7
Q

is the chlorophyll’s tail hydrophilic or hydrophobic

A

hydrophobic, reacts with hydrophobic zones of the thylakoid proteins

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8
Q

how many electrons does NADP+ require to be reduced to NADPH?

A

2 electrons

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9
Q

H2O photolysis reaction gives:

A

2H+ + 2e + 1/2O2

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10
Q

PS2 wavelength

A

680 nm

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11
Q

PS1 wavelength

A

700nm

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12
Q

productions of linear electron flow

A

ATP and NADPH

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