Why Are There Several Structurally Different Pigments in the Reaction

question 9

Multiple Choice

Why are there several structurally different pigments in the reaction centers of photosystems?

• A) Excited electrons must pass through several pigments before they can be transferred to electron acceptors of the electron transport chain.
• B) They enable the plant to absorb more photons from light energy, all of which are at the same wavelength.
• C) They enable the reaction center to excite electrons to a higher energy level.
• D) This setup enables the plant to absorb energy from sunlight from a variety of wavelengths.

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Definitions:

Actual Results

The real outcomes or data achieved at the end of a specified period, measured against planned or forecasted figures.

Labor Efficiency Variance

A measure used to determine how well labor resources are used, by comparing the standard labor hours supposed to be used to produce goods versus the actual hours used.

Standard Cost System

An accounting system that uses standard costs for cost control and decision-making purposes.

Actual Results

The real, achieved outcomes of business activities, such as sales, expenses, and profits, which are compared against planned or forecasted results.