AP Bio Ch 10

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What portion of an illuminated plant cell would you expect to have the lowest pH?

Thylakoid space

NADPH and ATP from the light reactions are both needed

To reduce 3-phosphoglycerate to G3P

How many "turns" of the Calvin cycle are required to produce one molecule of glucose?

6

How many turns of the Calvin cycle are required to produce one molecule of glucose?

6

The chlorophyll known as P680 has its electron "holes" filled by electrons from

Water

Chloroplasts can make carbohydrate in the dark if provided with

ATP and NADPH and CO2

Cyclic photo photophosphorylation results in the production of

ATP only

Which of the following is mismatched with its location?

ATP synthase-double membrane surrounding chloroplast

Noncyclic electron flow along with chemiosmosis in the chloroplast results in the production of

ATP, NADPH, and O2

Accessory pigments within chloroplasts are responsible for

Absorbing photons of different of different wavelengths of light and passing that energy to P680 or P700

What does rubisco do?

Adds CO2 to RuBP in the carbon fixation space

Chemiosmotic synthesis of ATP occurs in

Both respiration and photosynthesis

Photosynthesis is a redox process in which

CO2 is reduced and water is oxidized

CAM plants avoid photorespiration by

Fixing CO2 into organic acids during the night; these acids then release CO2 during the day

In the chemiosmotic synthesis of ATP in chloroplast, H+ diffuses through the ATP synthase

From the thylakoid into the stroma

Blue light had more energy than red light. Therefore, blue light

Has a shorter wavelength than red light

Where in the cell is ATP-Synthase located?

In the thylakoid membrane of the chloroplast and in the cristae membrane of mitochondria

A difference between electron transport in photosynthesis and respiration is that in photosynthesis

Light provides the energy to push electrons to the top of the electron chain, rather than energy from the oxidation of food molecules

ATP is produced in

Light-dependent reactions

Electrons flow through an electron transport chain in

Light-dependent reactions

Oxidative photophosphorylation occurs in

Light-dependent reactions

Oxygen is released in

Light-dependent reactions

Reduction of NADP+ occurs in

Light-dependent reactions

Carbon gets reduced in

Light-independent reactions

Oxidation of NADPH occurs in

Light-independent reactions

What are the final electron acceptors for the electron transport chains in the light reactions of photosynthesis and in cellular respiration?

NADP+ in the light reactions and O2 in reapiration

Oxidation of NADP+ occurs in

Neither respiration nor photosynthesis

How does cyclic electron flow differ from non-cyclic electron flow?

No NADPH is produced by cyclic electron flow. No O2 is produced by cyclic electron flow.

Which one of the following is NOT required for photosynthesis to occur?

O2

In green plants, most of the ATP for synthesis of proteins, cytoplasmic streaming, and other cellular activities comes directly from

Oxidative phosphorylation

Electrons that flow through the two photosystems have their highest potential energy in

Photoexcited P700

Plants give off oxygen as a waste product of photosynthesis. This oxygen comes from

Photolysis

Reduction of CO2 occurs in

Photosynthesis

Which of the following is NOT directly associated with PSII?

Production of NADPH

Oxidative phosphorylation occurs in

Respiration

Reduction of NAD+ occurs in

Respiration

Reduction of oxygen occurs in

Respiration

In C4 plants, the Calvin Cycle

Takes place in the bundle-sheath cells

A spectrophotometer can be used to measure

The absorption spectrum of a substance

Six molecules of G3P formed in the Calvin cycle are used to produce

Three molecules of RuBP and one G3P


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