In nerve cells, the centrosome is located near the nucleus. vesicles move from near the nucleus to the end of long extensions (axons) along microtubules. based on these two facts, it is possible to conclude that these vesicles are moving in the direction on the microtubule using the motor protein

a) minus end; kinesin
b) plus end; dynein
c) minus end; dynein
d) plus end; kinesin

Plus end and kinesin.

Explanation:

Three important cytoskeleton components are microtubules, microfilaments and intermediate filaments. Microtubules are the polymer of tubulin and plays an important role in the movement of cell organelles and its structure.

Microtubules shows the process of polymerization and depolymerization at different ends. The plus end shows the polymerization and minus end shows the depolymerization process. The kinesin protein is required for the process of polymerization.

Thus, the correct answer is option (D).

a compound light microscope is used to magnify objects in steps.  

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