Which of the Following Is an Example of a Physical

question 30

Multiple Choice

Which of the following is an example of a physical cost?

• A)Mental effort
• B)Fatigue
• C)Feelings of inadequacy
• D)Social Embarrassment
• E)Perceived Risk

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Definitions:

Reaction Center

The portion of a photosystem that includes chlorophyll a molecules capable of transferring electrons to a primary electron acceptor, which is the first of several electron acceptors in a series. See antenna complex and photosystem.

Antenna Complex

The arrangement of chlorophyll, accessory pigments, and pigment-binding proteins into light-gathering units in the thylakoid membranes of photoautotrophic eukaryotes. See reaction center and photosystem.

Photosynthetic Pigments

Molecules found in plants and other photosynthetic organisms that absorb specific wavelengths of light and convert it into chemical energy.

Chloroplasts

Organelles found in plant and algae cells where photosynthesis takes place, converting light energy into chemical energy.