Only One of the Two Strands of DNA Is Transcribed

question 16

Multiple Choice

Only one of the two strands of DNA is transcribed because

• A) RNA polymerase binds to the promoter, initiating transcription on only one strand of DNA.
• B) the start of transcription is random along the chromosome and does not always occur on a gene.
• C) RNA polymerase binds to the terminator, stopping transcription on one strand of DNA.
• D) both strands are transcribed, but only one strand of DNA contains a reading frame.
• E) DNA consists of only one strand in the nucleus of the cell.

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Definitions:

Fraternal Twins

Twins born from two different eggs fertilized by two different sperm, resulting in siblings that are genetically unique from each other.

Brother and Sister

A familial relationship describing male and female siblings who share one or both parents in common.

Heredity

The genetic transmission of characteristics from parent to offspring.

Personality

The mix of traits or attributes that creates a person's unique personality.