Light Dependent Reactions in Photosynthesis

Question 1

Indicate whether any members of the groups of organisms listed below can perform photosynthesis.Bacteria: ✔ yesnoFungi: yes✔ noPlants: ✔ yesnoAlgae: ✔ yesno

Revolt · Accepted Answer

A: ✔ yes

Question 2

Determine whether the substances listed below are reactants or products of photosynthesis.Oxygen: reactant✔ productCarbon dioxide: ✔ reactantproductGlucose: reactant✔ productWater: ✔ reactantproduct

Revolt · Accepted Answer

B: ✔ product

Question 3

Where do light-dependent reactions occur?

Revolt · Accepted Answer

B: the thylakoids

Question 4

The first electrons to be excited by light energy are found in

Revolt · Accepted Answer

C: photosystem II.

Question 5

Which substance is responsible for allowing the transfer of electrons to create NADPH in photosystem I?

Revolt · Accepted Answer

B: ferredoxin

Question 6

During light-dependent reactions, ✔ ADPATP is converted to ADP✔ ATP.

Revolt · Accepted Answer

A: ✔ ADP

Question 7

Which statement best describes photophosphorylation?

Revolt · Accepted Answer

D: It is the addition of a phosphate group to ADP to form ATP using light energy absorbed during photosynthesis.

Question 8

Indicate whether each of the following statements about Joseph Priestley’s experiment is an observation or an inference. observation✔ inferenceThe candle stayed lit longer because the plant gave off oxygen. ✔ observationinferenceThe candle went out when it was placed in a closed jar.✔ observationinferenceThe candle stayed lit longer in closed jar when a plant was present.

Revolt · Accepted Answer

B: ✔ inference

Question 9

How is ADP converted to ATP?

Revolt · Accepted Answer

A: by the addition of one phosphate molecule

Light Dependent Reactions in Photosynthesis Answers

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