With Regard to RNA Polymerase Proofreading Ability,which of the Following

question 45

Multiple Choice

With regard to RNA polymerase proofreading ability,which of the following is true?

• A)RNA backtracking can remove noncomplementary nucleotides.
• B)RNA and DNA polymerase proofreading are essentially identical.
• C)There are specialized mRNA repair pathways that remove noncomplementary nucleotides.
• D)No proofreading occurs.
• E)A 3' → 5' exonuclease fixes all errors in mRNA.

---

Definitions:

Operant Conditioning

A learning process by which the strength of a behavior is modified by reinforcement or punishment.

Classical Conditioning

The process of acquiring knowledge through the repeated combination of two stimuli, where a response initially caused by the second stimulus is ultimately caused by the first stimulus alone.

Imprinting

A form of rapid learning occurring within a critical period early in an animal's life, wherein it forms attachments and develops species-specific behaviors.

Problem Solving

The process of finding solutions to difficult or complex issues.