The biological importance of enantiomers arises from? a. ...

[nenivikky]

The biological importance of enantiomers arises from?
  a.
  Biological reactions involve receptor molecules.
  b.
  Biological receptors are chiral.
  c.
  Biological receptors require a specific enantiomer for reaction.
  d.
  Each enantiomer has different biological properties.
  e.
  all of these

Question 2

(-)-cholesterol
  a.
  does not have a chiral center.
  b.
  is dextrorotatory.
  c.
  rotates the plane of polarized light counterclockwise.
  d.
  does not rotate polarized light.

[matt95]

Answer to Question 1

e

Answer to Question 2

c

[nenivikky]

Thanks for the timely response, appreciate it

[cam1229]

Gracias!