The Chlorophyll a Molecules in the Reaction Center of a Photosystem

question 28

Multiple Choice

The chlorophyll a molecules in the reaction center of a photosystem participate directly in the capture of solar energy. What is the purpose of the accessory pigments?

• A) They participate in the Calvin cycle.
• B) They funnel solar energy to chlorophyll a in the reaction center.
• C) They split the water molecule to supply electrons to the chlorophyll a in the reaction center.
• D) They change the color of the leaves to discourage predators.
• E) They have no purpose.

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Definitions:

Validity Coefficients

Statistical measures that indicate the degree to which a test or measurement accurately predicts or correlates with a specific criterion or outcome.

Interpreting Guidelines

Standards or principles that guide the process of translating or explaining the meaning of information, such as test results or data.

Concurrent Validity

Validity assessment obtained when a test score and criterion performance measure are collected at approximately the same time.

Construct Validity

The extent to which a test measures what it claims to measure, indicating the accuracy of the theoretical concept.