chapter 6 Flashcards

(20 cards)

1
Q

Plants are green because they absorb all wavelengths of light except those in the _______________ range.

A

green

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2
Q

C4 plants have an advantage over C3 plants during what type of weather?

A

hot

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3
Q

Chlorophyll can be found attached to the ___________ membrane.

A

thylakoid

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4
Q

Carbon dioxide (CO2) enters leaves through openings called:

A

stomata

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5
Q

During the photosynthetic reactions, ________ is oxidized and _______ is reduced.

A

H2O, CO2

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6
Q

An important electron carrier involved in photosynthesis is:

A

NADP+

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7
Q

In C4 plants, the Calvin cycle occurs in the ____________.

A

bundle sheath cells

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8
Q

The light reactions of photosynthesis occur in/on the ____________.

A

thylakoid membranes

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9
Q

During the light reactions, electrons energized by chlorophyll end up combined with ADP and __________.

A

NADP+

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10
Q

During the Calvin Cycle, _________ and _________ are needed to carry out the reactions that convert CO2 into a carbohydrate.

A

ATP and NADPH

ATP and NADPH

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11
Q

Which wavelength of visible light listed below has the greatest energy content?

A

violet

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12
Q

hlorophylls a and b absorb which wavelengths of visible light most effectively?

A

violet, blue, red

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13
Q

Ribulose 1, 5-bisphophate (RuBP) is regenerated from:

A

glyceraldehyde 3-phosphate (G3P)

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14
Q

Photosystems are composed of:

A

reaction center and antennae molecules

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15
Q

Photosystems produce ATP using excited electrons via:

A

the electron transport chain

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16
Q

The oxygen produced during photosynthesis comes from:

17
Q

The reaction center of PSII derives replacement electrons from:

18
Q

The first phase of the Calvin cycle is:

19
Q

The relatively slow enzyme that catalyses the fixation of CO2 is called:

A

RuBP carboxylase

20
Q

Which of the following molecules is not a potential product of glyceraldehyde 3-phosphate (G3P)?