FerredoxinNADP+ Reductase Generation of NADPH

FerredoxinNADP+ Reductase Generation of NADPH

Assessment

Interactive Video

Science, Chemistry, Biology

University

Hard

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The video discusses the production of NADPH in plants through a unique mechanism involving ferredoxin and NADP+ reductase. It compares photosynthesis and cellular respiration, highlighting their similarities and differences, particularly in electron donors and acceptors. The role of NADPH in the Calvin Cycle, part of the light-independent reactions, is explained, emphasizing its importance in sugar production.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of ferredoxin NADP+ reductase in plants?

It oxidizes NADPH to NADP+.

It reduces NADP+ to NADPH.

It synthesizes ATP from ADP.

It transfers electrons to oxygen.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule acts as the final electron acceptor in photosynthesis?

Water

NADP+

Oxygen

NADH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In cellular respiration, what is the initial electron donor?

NADP+

Oxygen

NADH

Water

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do the structures of NADH and NADPH differ?

They have different nitrogenous bases.

They have different sugar components.

NADH has an extra phosphate group.

NADPH has an extra phosphate group.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of the light-dependent reactions in photosynthesis?

To produce glucose directly.

To generate oxygen and water.

To create ATP and NADPH for the Calvin Cycle.

To convert NADPH back to NADP+.