The Phylogenetic Analysis of Nucleotide Sequences for a Group of Retroviruses

question 48

Multiple Choice

The phylogenetic analysis of nucleotide sequences for a group of retroviruses has allowed researchers to discover that there are _____ major types of HIV that originate from one ancestral lentivirus.

• A) one
• B) two
• C) four
• D) ten
• E) fourteen

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Definitions:

Organizational Goals

Are the strategic objectives that a company aims to achieve, which guide its operations and decision-making processes.

Operant Conditioning

A method of learning that uses rewards and punishments to influence behavior.

Neutral Stimulus

A stimulus that initially does not elicit a strong reaction until it is associated with an unconditioned stimulus.

Classically Conditioned Response

A learned response elicited by a previously neutral stimulus after it has been repeatedly associated with an unconditioned stimulus.