What is the answer for this plz?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

To test the responsiveness of the kidneys, scientists have designed an experiment tracking urine output of people during a normal day, while regulating the in-take of water by mouth. what would be an appropriate hypothesis for this experiment?