In most animal cells, a complex network of proteins provides which of the following? A. shape
В. movement
C. organization
D. all of these

Asegment of dna that codes for rna and a protein is a

Describe characteristics of a good respitory surface

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar