Which of these is a thiol?

Which of the following functional groups increases the solubility of organic compounds in water?

Which of the following examples best describes a unique functional property of the carboxyl group?

Which of the following functional groups is associated with a release of energy when removed from the carbon skeleton with water?

Which functional group would you predict is part of abscisic acid?

Which of the following groups is capable of hydrogen bonding with an oxygen atom on another functional group?

What two functional groups are bound to the central carbon of every free amino acid monomer?a. an R-group and a hydroxyl groupb. an N—H group and a ═(C═O) groupc. an amino group and a hydroxyl groupd. an amino group and a carboxyl group

VISUAL SKILLS Which functional group is not present in this molecule?

a. carboxylb. sulfhydrylc. hydroxyld. amino

MAKE CONNECTIONS Which chemical group is most likely to be responsible for an organic molecule behaving as a base?a. hydroxylb. carbonylc. aminod. phosphate