DNA Is Composed of Two Strands, Only One of Which

question 47

Multiple Choice

DNA is composed of two strands, only one of which typically is used as a template for RNA synthesis. By what mechanism is the correct strand chosen?

• A) Both strands are tried, and the one that works is remembered.
• B) Only one strand has the start codon.
• C) The promoter acts to aim the RNA polymerase.
• D) A start factor informs the system.
• E) It is chosen randomly.

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Definitions:

Official Statistics

Quantitative data and information collected and published by governmental agencies or institutions for economic, demographic, and social analysis.

Child-care

The care and supervision of a child or children, typically from infancy to age thirteen, which includes educational, entertainment, and nutritional components.

Scientific Management

Scientific management is a system of improving productivity developed in the 1910s by Frederick W. Taylor. After analyzing the movements of workers as they did their jobs, Taylor trained them to eliminate unnecessary actions and greatly improve their efficiency.

Unnecessary Actions

Actions or efforts that do not contribute to achieving a goal or are not required for a successful outcome.