RNA Molecules Differ from DNA Molecules in That They

question 27

Multiple Choice

RNA molecules differ from DNA molecules in that they

• A) are single stranded rather than double stranded
• B) contain four different bases instead of three
• C) have a greater polarity
• D) contain 2-dexoyribose rather than 2-deoxyglucose

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Definitions:

Monozygotic Twins

Identical twins that develop from a single fertilized egg, sharing identical genetic material.

Dizygotic Twins

Also known as fraternal twins, are siblings that develop from two different eggs fertilized by two different sperm, sharing about 50% of their DNA.

Concordance

In genetics, the presence of the same trait in both members of a pair of twins or in both members of a family, indicating genetic influence.

G-Rated

A classification for movies deemed appropriate for all ages by the Motion Picture Association of America.