Which of the following is not true of carbohydrates?

Group of answer choices

All contain carbon, hydrogen, and oxygen.

All have the basic formula (CH₂O)_n.

All have more than one hydroxyl group.

All open chain monosaccharides have a carbonyl carbon.

Which of the following is not true of oligosaccharides?

Group of answer choices

They contain fewer monosaccharides than found in starch.

They contain 8-12 monosaccharide units linked together.

The name is derived from the Greek word meaning “few”.

They contain glycosidic bonds.