Answer: Receptor protein.
Explanation:
The receptor protein on the cell surface would enable a cell to respond to glucagon. The glucagon binds to the GPCR on the liver and muscle cells and is known as glucagon receptor.
This receptor then stimulates cells to release glucose into the blood stream. Another hormones involved during this process is glucagon like peptide 1.
It works by binding to another GPCR which is GLP-1 receptor found on the pancreatic cells.
Yes an organ can belong to more than one system because the organ system is the digestive system.
True
Evaporation is one of the key parts of the water cycle
Answer:
D
Explanation:
I think it is D. Please give me brainliest