Cell Signalling and Transduction - Medical Science

Q1:

The signaling molecules called steroid hormones

A are made in one location of the body but have their effects some distance away

B are hydrophilic and so cannot penetrate the plasma membrane

C bind to cell surface receptors to trigger chemical cascades

D never enter the blood of humans

ANS:A - are made in one location of the body but have their effects some distance away

Steroid hormones are also synthesized in gonads.