In a Normal Microtubule, How Many Protofilaments Make Up Its

question 12

Multiple Choice

In a normal microtubule, how many protofilaments make up its cylindrical wall?

• A)13
• B)15
• C)11
• D)9
• E)17

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Definitions:

Type A Personality

A temperament characterized by high levels of competitiveness, self-drive, impatience, and a constant sense of urgency.

Immune Response

The body's defense mechanism against pathogens, involving the recognition and destruction of harmful substances by the immune system.

Body's Defensive Reaction

The physiological responses activated by the immune system to protect the body against harmful agents, including pathogens and injuries.

Bacteria

Microscopic, single-celled organisms that exist in almost every environment on Earth and play critical roles in various biological processes.