What Physical Characteristic of DNA Is Affected by the Pairing

question 66

Multiple Choice

What physical characteristic of DNA is affected by the pairing of purines with pyrimidines?

• A) Its length
• B) Its width
• C) Its parallel nature
• D) Its antiparallel nature
• E) Its helix length

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Definitions:

Nucleophile

An atom or molecule that donates an electron pair to an electrophile to form a chemical bond in reaction mechanisms.

Major Organic Product

The primary organic compound produced in the highest quantity in a chemical reaction.

Enamine

A compound containing a nitrogen atom connected to a carbon atom that is part of a double bond, resulting from the reaction between a secondary amine and an aldehyde or ketone.

α-Halogenate

Refers to the introduction of a halogen atom (e.g., chlorine, bromine) into the alpha position of an organic molecule relative to a functional group.