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.