Sensory neurons are considered to be efferent neurons because they take information from organs to the brain and the spinal cord. a. True
b. False

Sensory neurons receive impulses and carry them from the sense organs to the spinal cord or brain. Interneurons connect sensory and motor neurons and interpret the impulse. Motor neurons carry impulses from the brain and spinal cord to muscles or glands.

Hmmm i'm not sure about this one

The basic repeating unit of nucleic acids are known as nucleotides. a nucleotide consists of three distinct chemical groups.