Which the the following sequences properly represents the flow of electrons during photosynthesis?

A. H2O > NADPH > Calvin Cycle

B. NADPH > Chlorophyll > Calvin Cycle

C. NADPH > Electron transport chain > O2

D. NADPH > O2 > CO2

E. H20 > Photosystem 1 > Photosystem 2

Photosynthesis is a oxidization reaction. This method that H2O is _____ during the irradiate reactions and CO2 is _____ during the Calvin cycle.

You are watching: After 3-pga is phosphorylated, it is reduced by

A. Oxidized ... Reduced

B. Reduced ... Reduced

C. Consumed ... Consumed

D. Consumed ... Reduced

E. Decreased ... Oxidized

What is the basic role of CO2 in photosynthesis?

A. CO2 is addressed or integrated into necessary molecules.

B. CO2 is bring away in by plants together a kind of station respiration, in i m sorry carbon dioxide is “breathed in” and also oxygen is “breathed out.”

C. CO2 is a resource of electron in the formation of necessary molecules.

Which the the adhering to is a product the the irradiate reactions of photosynthesis?

A. Glyceraldehyde-3-phosphate

B. High-energy photons

C. Oxygen, ATP, and also NADPH

D. NADP+ and RuBP

E. Water and also CO2

Photosystem 1

Photosystem 2

Photosystem 1 & 2

Reduction that NADP+

Reduction of major electron acceptor

Oxidation that electron transport chain in between two photosystems

Reduction that electron transport chain between the 2 photosystems

Light absorption

Oxidation of water

Photosystem 1

Oxidization of water

Reduction that electron move chain between the two photosystems


Reduction the NADP+

Oxidation of electron transport chain between two photosystems


Reduction of primary electron acceptor

Light absorption

Electron transport action l power input required

Water > P680+ P680 > Pq (plastoquinone) Pq > P700+ P700 > Fd (ferredoxin) Fd > NADP+

Electron transport action l energy input required

Water > P680+ … no power P680 > Pq (plastoquinone) … energy Pq > P700+ … no power P700 > Fd (ferredoxin) ... Energy Fd > NADP+ … no energy
P. – P.Site that H+ relax P. Site of ATP synthetic B. H+ pumped across membrane B. – B. H+ diffuses throughout membrane

When light strikes chlorophyll molecules, they shed electrons, which are at some point replaced through _____.

A. Oxidizing glucose

B. Solving carbon

C. Separating water

D. Breaking down ATP

E. Removed them native NADPH

C4 plants occur more commonly in desert conditions because _____.

A. They save carbon by incorporating CO2 right into organic acids the are later catabolized

B. They develop water as a product of their photosynthetic pathways

C. The stomata open at night and also close in the day

D. They deserve to fix carbon at the lower CO2 concentrations that build when the stomata are closed

E. They develop carbon dioxide within via photorespiration

Carbon fixation requires the addition of carbon dioxide to _____.

A. Rubisco

B. G3P



E. 3-PGA

How plenty of carbon dioxide molecules have to be added to RuBP to make a single molecule of glucose?

A. 6

B. 2

C. 10

D. 4

E. 8

In the Calvin cycle, how numerous ATP molecules are required to regenerate RuBP from 5 G3P molecules?

A. 1

B. 3

C. 2

D. 4

E. 5

Which term defines ATP production resulting from the catch of light power by chlorophyll?

A. Substrate-level phosphorylation

B. Photophosphorylation

C. Dephosphorylation

D. Oxidative phosphorylation

True or false? The chemiosmotic hypothesis states that the synthetic of ATP generates a proton gradient the leads come electron circulation through one electron transfer chain.



According to the chemiosmotic hypothesis, what offers the energy that directly cd driver ATP synthesis?

A. Temperature gradient

B. Osmotic gradient

C. Electrons

D. Proton gradient

Which the the adhering to particles have the right to pass through the ATP synthase channel?



C. Not natural phosphate

D. Protons

True or false? The region of ATP synthase that catalyzes the production of ATP from ADP and inorganic phosphate spans the chloroplastic membrane.



Chloroplast membrane vesicles space equilibrated in a straightforward solution that pH 5. The solution is then readjusted to pH 8. I beg your pardon of the complying with conclusions deserve to be attracted from these speculative conditions?

A. ATP will certainly be produced because the proton gradient favors proton motion through the ATP synthase channels.

B. ATP will certainly not it is in produced because there is no ADP and also inorganic phosphate in the solution.

C. The adjust in the solution"s pH results in a gradient across the chloroplast membrane such that there is a reduced concentration of protons inside the vesicles and a higher concentration outside.

D. Protons will certainly not diffuse toward the outside of the vesicles.

B. ATP will certainly not be produced since there is no ADP and also inorganic phosphate in the solution.


_____ has actually a much longer wavelength 보다 _____.

A. Yellow ... Red

B. Red ... Green

C. Violet ... Blue

D. Environment-friendly ... Yellow

E. Blue ... Green

B. Red ... Green


The overall duty of the Calvin bike is _____.

A. Making sugar

B. Creating carbon dioxide

C. Catching sunlight

D. Separating water

E. Oxidizing glucose

A. Making sugar


In mechanism, photophosphorylation is most similar to

A. Palliation of NADP+.

B. Carbon fixation.

C. The Calvin cycle.

D. Oxidative phosphorylation in to move respiration.

E. Substrate-level phosphorylation in glycolysis.

D. Oxidative phosphorylation in cellular respiration.


Which of these phosphorylates ADP to make ATP?

a. A

b. D

c. E

d. C

e. B

C. E


_____ releases power that is provided to pump hydrogen ion from the stroma into the thylakoid compartment.

A. E

B. C

C. B

D. D

E. A

C. B


_____ splits water right into 1/2 O2, H+, and also e- .

See more: In Which Sentence Is A Homophone Used Correctly? ? Which Sentence Uses A Homophone Correctly

A. B

B. C

C. A

D. E

E. D

C. A


Energized electrons from ____ get in an electron move chain and also are then used to reduce NADP+.