Barend Has a Weak Immune System

question 196

Multiple Choice

Barend has a weak immune system. According to evolutionary theory, he is most likely to

• A) learn new self-defense strategies so he can ward off any physical threats.
• B) shun people from developing countries because he thinks they carry disease.
• C) frequent online chat rooms where disease is discussed.
• D) have a heightened sense of morality and fairness.

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Definitions:

Enzyme

Biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.

Oxidized

Pertains to a process where a substance loses electrons or gains oxygen, often resulting in a change in physical and chemical properties.

FAD

Flavin adenine dinucleotide, a redox cofactor involved in several important reactions in metabolism. FAD can exist in a reduced (FADH2) and an oxidized state (FAD).

Hydrogen Atoms

The simplest and most abundant type of atom in the universe, consisting of one proton and one electron.