4. Biomolecules

Which of these functional groups is known to be used for storing large amounts of chemical energy?

a. Amino group

b. Carbonyl group

c. Phosphate group

d. Sulfhydryl group

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

Which action could produce a carbonyl group?

a. The replacement of the —OH of a carboxyl group with hydrogen

b. The addition of a thiol to a hydroxyl

c. The addition of a hydroxyl to a phosphate

d. The replacement of the nitrogen of an amine with oxygen

Circle and name the functional groups in this organic molecule. What type of compound is this?

For which class of macromolecules is it a monomer?

Which functional group is present in this molecule?

A.sulfhydryl

B.carboxyl

C.methyl

D.phosphate