The Poly(A) Sequence That Is Added to RNA During Processing

question 53

Multiple Choice

The poly(A) sequence that is added to RNA during processing:

• A)helps prevent formation of complex three-dimensional structures in the messenger RNA.
• B)helps prevent rapid breakdown of the messenger RNA.
• C)is needed for ribosomes to attach to messenger RNA.
• D)aids in the accuracy of translation of the messenger RNA into protein.

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Definitions:

Command System

A method of organizing an economy in which property resources are publicly owned and government uses central economic planning to direct and coordinate economic activities; socialism; communism. Compare with market system.

Laissez-faire Capitalism

An economic system where government intervention in business and markets is minimal, and the forces of supply and demand are allowed to regulate the economy.

Central Planning

A system where economic decisions, such as the allocation of resources, are made by the government or a centralized authority.

Market System

An economic system in which market forces of supply and demand guide the production of goods and services and their distribution.