Homeostasis in single-celled organisms is
maintained through the proper functioning of
The human pancreas contains cells that secrete
insulin. Only these cells produce insulin because
(1) cells eliminate the parts of the genetic code
they do not use
(2) all other cells lack the genes for insulin
production
(3) different cells use different parts of the
genetic information that they contain
(4) they are the only cells associated with the
digestion of sugar