<span>Primitive, single-celled life forms without organized nuclei are termed PROKARYOTES.</span>
The answer is A. The insulin, like many hormones binds to cells through receptors found on the cell membrane
Answer: c
Explanation:
This stored form of glucose is made up of many connected glucose molecules and is called glycogen
A. Hormones
secreted directly into the blood
Answer:The bones of the skeletal system serve to protect the body's organs, support the weight of the body, and give the body shape. The muscles of the muscular system attach to these bones, pulling on them to allow for movement of the body.
Explanation: Hope it helps!