B I’m pretty sure ! Hope this helped
The answer is A. The insulin, like many hormones binds to cells through receptors found on the cell membrane
RNA polymerase (green) synthesizes RNA by following a strand of DNA. RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, duyring the process of transcription.
B: receptor, sensory, interneuron, motor, effector
Biological diversity is the variety of species in a given area. If a new species is added there are more species and therefor greater biological diversity and if one goes extinct there are less species and therefore less biological diversity.
