If a Fair-Skinned Person Is Sunburned,why Does His or Her

question 110

Multiple Choice

If a fair-skinned person is sunburned,why does his or her skin turn red?

• A)The blood flow to the skin increases.
• B)The number of red melanocytes in the skin increases.
• C)Melanocytes increase production of red pigments.
• D)Carotene production greatly increases.
• E)Decreased heat causes the skin to turn red.

Identify ways to reduce dangerous levels of overcrowding.

Differentiate between various forms of collective behavior, such as social movements, crowds, and mobs.

Understand the role of rumors in situations of uncertainty.

Recognize the impact of social identity on collective behavior.

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Definitions:

Enantiomer

Molecules that are mirror images of each other and cannot be superimposed onto each other, commonly found in chiral molecules.

Diastereomers

Non-mirror-image stereo isomers that have varying physical and chemical properties from each other.

Stereocenters

Chiral centers in a molecule, points at which the molecule can adopt different spatial arrangements leading to different stereoisomers.

Stereogenic Centers

Atoms within a molecule that are bonded to four different substituents, giving rise to stereoisomerism.