Chapter 7 Flashcards by John Dobes

Q

What is Photosynthesis?

A

A process that captures solar energy

●Transforms solar energy into chemical energy

●Energy ends up stored in a carbohydrate

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Q

Name the products of the light reactions.

A

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Q

What is the destination of these products?

A

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Q

Name the product(s) of the light independent reactions.

A

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Q

What are these products used to build?

A

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Q

How many electrons carriers in the ETC (the electron transport chain) function as hydrogen ion (proton) pumps?

A

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Q

Describe the role of NADP reductase.

A

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Q

Describe the flow of electrons in the light reactions including PSII, PSII, the ETC, and NADP reductase

A

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Q

What is an ATP synthase protein?

A

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Q

What is its role?

A

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Q

Where is it located in a chloroplast?

A

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Q

What role does Rubisco (RuBP carboxylase) play in photosynthesis?

A

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Q

How does this differ, or does it, in C3, C4, and CAM photosynthesis?

A

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Q

What is the purpose of sending electrons down the ETC between PSI and PS II?

A

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Q

In what form is energy stored after the electrons move down ETC?

A

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Q

Into what form is the energy transformed directly after this step?

A

Q

Explain how carbon dioxide fixation occurs in photosynthesis.

A

Q

Does this happen in the light or dark reactions?

A

Q

What enzyme is involved?

A

Q

How efficient is this enzyme?

A

Q

What is the pivotal product that is formed by and leaves the Calvin cycle and can be used to form any other molecule made by plants?

A

Q

How many carbons does it contain?

A

Q

the four metabolites of the Calvin cycle?

A

Q

What are the positions in the cycle of four metabolites?

A

What is added to the four metabolites to form them?

Draw the Calvin cycle from memory.

How many carbon dioxide molecules must be added before one G3P can leave? Why?

Where does the oxygen produced in photosynthesis originate?

With which photosystem is this process associated?

Explain the difference between C3, C4, and CAM plants?

What is advantage possessed by C4 plants?

What’s their (C4 plants) disadvantage?

What is advantage possessed by CAM plants?advantage and disadvantage.