Why Does the Isoleucyl-TRNA Synthetase Use Two Types of Proofreading

question 15

Multiple Choice

Why does the isoleucyl-tRNA synthetase use two types of proofreading mechanisms to ensure its accurate aminoacylation?

• A)It is not a very precise enzyme.
• B)It is a very big enzyme.
• C)Isoleucine is very hard to distinguish from valine,since they differ only by a single methylene group.
• D)Isoleucine is very difficult to distinguish from glycine.
• E)Isoleucine can spontaneously turn into phenylalanine.

Appreciate Adam Smith's theory on the dynamic process of competition.

Analyze the effects of pricing decisions by firms in competitive markets.

Understand the trends and factors influencing the female/male earnings ratio over time.

Recognize the impact of employment discrimination on wages and profits.

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Definitions:

Catharsis

The process of releasing, and thereby providing relief from, strong or repressed emotions, often through art, drama, or psychological means.

Frustration Aggression Hypothesis

A psychological theory suggesting that aggression is often the result of experiencing frustration from blocked goals or desires.

Electric Shocks

The application of electrical current to the body, often used in psychological experiments to study fear or pain responses.

Displacement

Displacement is a psychological defense mechanism where an individual redirects their emotions or reactions from the original source of distress to a more acceptable or less threatening target.