Carbohydrates

The most abundant class of biomolecules

• lipids

• carbohydrates

• proteins

• nucleic acids

The word carbohydrate comes from the French term hydrate de carbone which means ______________.

• hydrates of sugar

• hydrates of milk

• hydrates

• hydrates of carbon

Carbohydrates that contain 10 monosaccharide units or more are called__________________ .

• Disaccharides

• saccharide

• polysaccharides

• monosaccharides

A carbohydrate that contain two monosaccharide units bound together by a covalent bond.

• monosaccharide

• disaccharides

• saccharides

• polysaccharides

It is the simplest carbohydrates or the simplest sugars.

• saccharides

• monosaccharides

• disaccharides

• polysaccharides

What is the most common and most abundant disaccharide?

• sucrose

• maltose

• lactose

• glucose

What monosaccharide is the most important abundant in nature?

• galactose

• glucose

• fructose

• sucrose

It is a polysaccharide that is a major component of the plant's cell wall.

• cellulose

• glycogen

• glucose

• starch

Carbohydrates are sometimes called _____________.

• saccharide

• monosaccharide

• disaccharide

• polysaccharide

Which of the following is not a monosaccharides?

• fructose

• galactose

• glucose

• sucrose