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:

Mainshaft Gear

A gear located on the mainshaft of a transmission, responsible for transmitting torque from the engine to the drive wheels at varying speeds.

Timing Purposes

Related to adjusting the engine's timing for optimal performance and efficiency.

Gear Jump-out

A condition in manual transmissions where the gear unintentionally disengages, often due to worn components or misalignment.

Detent Spring

A spring mechanism that provides a resting position in mechanical devices, often used to hold a component in a specific position until enough force is applied to move it.