Energy from Sunlight Can Excite Electrons,kicking Them Out of Their

question 13

Multiple Choice

Energy from sunlight can excite electrons,kicking them out of their orbitals and creating free radicals.Free radicals are highly reactive atoms or molecules that have unpaired electrons.They degrade and destroy other compounds in their vicinity.Carotenoids,one of the pigments present in most chloroplasts,can stabilize these free radicals.This suggests that

• A)once chloroplasts are destroyed,the free radicals will destroy the cell.
• B)carotenoids probably have a protective function in the cell.
• C)other pigments (besides carotenoids and chlorophyll)are essential for the health of a plant cell.
• D)carotenoids communicate directly with the immune system of plants.

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Definitions:

Mind's Operations

The processes or activities by which the mind engages in thought, including reasoning, memory, and problem-solving.

Functionalism

A perspective in social science and psychology that focuses on the roles or functions of behaviors and mental processes in individuals and society.

Adaptation

in biology, refers to the process by which organisms adjust to changes in their environment to survive and reproduce, while in psychology, it can denote adjustments in cognitive or behavioral processes.

Organism

An organism is any living entity, ranging from a single-celled life form to more complex multicellular beings, such as humans.