Which of These Statements Is Not True Regarding the Three

question 37

Multiple Choice

Which of these statements is not true regarding the three classes of RNA, ribosomal RNA, mRNA and tRNA?

• A) All three classes are involved in protein synthesis.
• B) Ribosomal RNA is cleaved from a large precursor RNA species.
• C) tRNA and ribosomal RNA contain methylated bases.
• D) A single amino acyl tRNA synthetase can attach different amino acids to -C-C-A-OH end of tRNA molecules.

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Definitions:

Relaxation

The state or process of becoming less tense, anxious, or stressed; often involves activities or techniques that promote this state.

Type A

A behavior pattern characterized by competitiveness, urgency, aggression, and an heightened stress response.

Stressor

A stressor is any event or situation that triggers physical or psychological stress.

Environmental Event

An occurrence within the environment that can influence the behavior or psychological state of an individual or group.