Substance that can carry electic current under some conditions but not under others are called?

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

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16