Neutral Theory Proposes That

question 18

Multiple Choice

Neutral theory proposes that

• A) molecular clocks are more reliable when the surrounding pH is close to 7.0.
• B) most mutations of highly conserved DNA sequences should have no functional effect.
• C) DNA is less susceptible to mutation when it codes for amino acid sequences whose side groups (or R groups) have a neutral pH.
• D) DNA is less susceptible to mutation when it codes for amino acid sequences whose side groups (or R groups) have a neutral electrical charge.
• E) a significant proportion of mutations are not acted upon by natural selection.

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Definitions:

Primary Memory

Also known as short-term memory, it is the component of the mind responsible for the transient holding of information.

Long-Term Memory

The stage of the memory process that is capable of storing information for extended periods, from hours to a lifetime.

Short-Term Memory

The part of the memory system where information is stored for short periods, typically seconds to minutes, before being forgotten or transferred to long-term memory.

Episodic Memory

The ability to recall and mentally re-experience specific episodes from one's past.