Nerve conduction - Hormones

Question 1

Where can hormone receptors be?

Answer 1

Membrane or nucleus

Question 2

Peptides

Answer 2

• Insulin and pituitary hormones
• Stimulate metabotropic receptors in membrane
• Second messenger travels to nucleus and influences activity of cell

Question 3

Steroids

Answer 3

• lipid
• sex hormones and those secreted by the adrenal cortex i.e. adrenalin
• pass through membranes to nucleus where it binds with receptor. When activated, the receptor influences protein production
• Steroid receptors have recently been discovered in terminal buttons and post-synaptic membranes