When Looking at the Concept of "Race," It Is Important

question 203

Multiple Choice

When looking at the concept of "race," it is important to remember that

• A) human groups have intermixed for so many centuries that it is impossible to tell, biologically, to what "race" any given individual belongs.
• B) the best available evidence suggests that all people descended from the same ancient ancestors in Africa.
• C) among early human populations, darker skin was a protective adaptation to sun exposure near the equator.
• D) all of these statements are true.

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Definitions:

Imine

A chemical compound characterized by a nitrogen atom double-bonded to a carbon atom, which is also bonded to a hydrogen atom and a side chain.

Butyllithium

A powerful base and nucleophile used in organic synthesis to deprotonate hydrogens or to initiate anionic polymerization processes.

Benzaldehyde

An organic compound characterized by a benzene ring with an aldehyde functional group, known for its almond-like aroma and used in flavoring and perfume.

Methylamine

A simple organic compound with the formula CH3NH2, characterized by a strong ammonia-like odor, used in the production of pesticides and pharmaceuticals.