If One Strand of a DNA Molecule Has the Base

question 21

Multiple Choice

If one strand of a DNA molecule has the base sequence of 5'-ATGTGCC-3' the complementary strand of DNA will read

• A) 3'-UACACGG-5'
• B) 3'-GGCACAT-5'
• C) 3'-CGTGTAA-5'
• D) 3'-ATGTGCC-5'
• E) 3'-TACACGG-5'

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Definitions:

Blastocyst

A stage of embryonic development in mammals, occurring roughly five days after fertilization, marked by the formation of a fluid-filled cavity and the differentiation of the embryo into two layers.

Fetal Period

The period in prenatal development from nine weeks after conception until birth, when the brain continues developing, bodily structures are refined, and the fetus grows in length and weight and accumulates fat in preparation for birth.

Germinal Period

The initial two weeks of prenatal development following conception, characterized by rapid cell division and attachment to the uterine wall.

Embryonic Period

The stage of prenatal development from approximately the second to the eighth week after fertilization, during which major organs and structures within the embryo begin to develop.