How Many Different Kinds of Base Pairings Are in DNA

question 28

Multiple Choice

How many different kinds of base pairings are in DNA?

• A)two
• B)four
• C)hundreds or thousands
• D)millions or billions

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Definitions:

Stable Negative Charge

An attribute of particles or objects that possess a charge that does not change sign and remains negative.

Stable Positive Charge

An atomic or subatomic particle's constant state of having more protons than electrons, resulting in a net positive charge.

Unstable Positive Charge

Refers to a positive ion (cation) that lacks stability, often making it highly reactive and short-lived.

Glial Cells

Supportive cells in the nervous system that do not conduct nerve impulses but provide nutrition, support, and protection for neurons.