Which of the Following Represents a Covalent Modification of an Enzyme

question 42

Multiple Choice

Which of the following represents a covalent modification of an enzyme which can be reversed

• A) zymogen to enzyme.
• B) change in enzyme activity with pH.
• C) phosphorylation of a serine -OH.
• D) allosteric modification.
• E) competitive inhibition.

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Definitions:

Type A Behaviour Pattern

A personality disposition characterized by competitiveness, urgency, aggression, and a constant struggle for achievement.

Coping Effectively

Successfully managing to overcome or handle stressful situations or challenges.

Job Dissatisfaction

The feeling of unhappiness or discontent with one’s job or aspects of it.

Defence Mechanisms

Psychological strategies used by individuals to cope with reality and to maintain a self-image by lessening the anxiety stemming from unacceptable thoughts or feelings.