Which statement is true about a cell wall but not a cell membrane? it forms the outer layer of a cell. it gives an animal cell its shape. it is selectively permeable. it is made mostly of cellulose.

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.