Two Functional Groups That Are Present in All Amino Acids

question 8

Multiple Choice

Two functional groups that are present in all amino acids are the ________ group and the ________ group.

• A)hydroxyl;amide
• B)carboxyl;amine
• C)carboxyl;phosphate ester
• D)acetal;amine
• E)carbonyl;amide

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Definitions:

Drive

An inner motivation or urge that propels an individual to act or achieve certain goals.

Optimal Stimulation

A psychological theory proposing that individuals seek an optimal level of arousal, with too little leading to boredom and too much resulting in stress.

Arousal Theory

The theory that optimal performance and psychological arousal are related in a way that differs as a function of the individual and the task.

Yerkes-Dodson Law

A theory suggesting there is an optimal level of arousal for performance, and that too little or too much arousal can negatively affect performance.