Which of the following is (are) involved with motor activity (either initiation or coordination) ?

a) red nuclei

b) Wernicke's area

c) gustatory cortex

d) postcentral gyrus

The best answer is "A"

"red nuclei"

Explanation:

The red nucleus is responsible for motor coordination of the brain.

Wernicke's area is responsible for language development of the brian.

Gustatory cortex is responsible for perception of taste of the brian.

Postcentral gyrus is a prominent gyrus in the lateral parietal lobe of the human brain.