Question

Which of the following is an analogy for how peptide hormones work? A construction worker coordinating his subcontractors from outside of the house A swimming coach demonstrating the backstroke A teacher providing extra instruction inside a classroom A doctor providing treatment for a patient inside of a hospital

Answer 1

Answer: a) a construction worker coordinating his subcontractors from outside of the house

Peptide hormones are water soluble hormones and hence cannot diffuse across the plasma membrane. They bind to receptors on the plasma membrane. This binding releases hormones which inturn regulates. The hormone works by not crossing the barrier.