The part of the brain responsible for speech, thought, and memory is the
medulla
cerebellum
cerebrum
thalamus

The correct answer or option is cerebrum The cerebrum, also called cortex is the largest part of the brain. It is divided into four sections, called lobes and these are the frontal lobe, the parietal lobe, occipital lobe and temporal lobe.

Front lobe helps in speech, reasoning, planning, movement , emotions and problem solving.

parietal lobe helps in orientation, and perception of stimuli and movement.

Occipital lobe  helps in visual processing.

Temporal lobe helps in memory, speech as well as perception and recognition of auditory stimuli

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

it marks things for degradation via the proteasome. it alters there celluar location.