Topic 2.1: Carbohydrates and Lipids Questions

State the role of cellulose in a plant cell.

State the type of reaction that breaks a disaccharide down into two monosaccharides.

Apart from storing energy, what is a role of the fat layer in adipose tissue under the skin?

Which statement about a monosaccharide is correct?

A student is shown the structural formula of an unknown polysaccharide made of long, straight, unbranched chains of beta-glucose found in a plant cell wall. Identify the polysaccharide and identify the monomer that builds it.

What is the name of the bond that joins each fatty acid to the glycerol in a triglyceride?

Which type of reaction breaks a disaccharide down into two monosaccharides?

A triglyceride is built from which two kinds of subunit?

Two monosaccharides are joined together by a condensation reaction. Which products are formed?

What property of a single carbon atom is mainly responsible for the huge variety of biological molecules?

Distinguish between a monosaccharide and a disaccharide.

State the name of the lipid that animals use as a long-term energy store, and the subunits from which it is built.

State the term used to describe a molecule that contains both a water-loving part and a water-fearing part.

Which description correctly matches the structure of cellulose?

Starch, glycogen and cellulose are all polysaccharides. Which monosaccharide is the monomer of all three?

A fatty-acid chain contains one carbon-to-carbon double bond (C=C). What type of fatty acid is this?

A phospholipid diagram labels the rounded head region X and the two long tail regions Y. Which row states the properties of X and Y correctly?

Which part of a phospholipid is hydrophilic?

State the chemical formula of a glucose molecule.

State the name of the reaction that forms the ester bond when a fatty acid joins glycerol.