4. Biomolecules

What is the name of the functional group shown in the figure?

a) Carbonyl.

b) Ketone.

c) Carboxyl.

d) Methyl.

e) Phosphate.

All of the following are examples of functional groups in biology except:

a) -CH₃.

b) -COOH.

c) -H₂O.

d) -NH₂.

e) -OH.

Of the following functional groups, which is/are polar, tending to make organic compounds hydrophilic? a.carbonyl b. amino c. hydroxyl d. all of the above