Human Beings

question 229

Multiple Choice

Human beings

• A) have unlimited wants.
• B) think they have unlimited wants, but really have limited needs.
• C) have limited wants, but unlimited needs.
• D) know what their needs are, but do not know what their wants are.

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Definitions:

Photosynthesis

The process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy.

Light-dependent Reactions

The phase of photosynthesis that converts solar energy into chemical energy, occurring in the thylakoid membranes of chloroplasts.

Carbon Fixation Reactions

Reduction reactions of photosynthesis in which carbon from carbon dioxide becomes incorporated into organic molecules, leading to the production of carbohydrate. See Calvin Cycle.

Reduced

A term often used in chemistry to describe the gain of electrons or decrease in oxidation state by a molecule, atom, or ion.