How Is the Structure of Kinesin Related to Its Function

question 12

Multiple Choice

How is the structure of kinesin related to its function?

• A) Kinesin has a tail region that binds to vesicles and two heads that can attach to microtubules.
• B) The kinesin tail has an ATP binding site to fuel its activities.
• C) Kinesin has two heads to attach to the vesicle being moved, and a tail region that attaches to microtubules.
• D) Kinesin has two intertwined polypeptides that make up the stalk and enable it to contract and shorten.

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Definitions:

Wrist

The joint connecting the forearm to the hand, consisting of eight small bones and allowing for a wide range of movement.

Pectoral Girdle

The set of bones that anchors the upper limbs to the torso, consisting of the clavicles and scapulae.

S-shaped

An object or structure having the form of the letter "S," often relating to the natural curves of the human spine.

Intertubercular Sulcus

A groove in the humerus bone that accommodates part of the biceps muscle tendon.