Biology EOC Review 9A

Nucleid Acids are biomolecules. Which of the following is the function of nucleic acids?

• Serve as the primary structural unit of biological membranes.

• Serve as energy storage.

• Store and transmit genetic information.

• Serve as biological catalyst.

One function of lipids is to store energy. What is another function of lipids in the human body?

• To form plasma membranes

• To make energy from the sun

• To control chemical reactions

• To provide quick energy for the cell

The molecule in the diagram plays what role in the body?

• Releasing energy.

• Forming part of the sugar-phosphate backbone of DNA

• Storing fat

• Controlling blood glucose levels.

What type of organic compound provides the best energy storage?

• Sun

• Lipids and Carbohydrates

• Monosaccharides

• Lipids only

How does the structure of a starch differ from that of a simple sugar?

• Starch molecules contain many more monomers of carbohydrates.

• Simple sugars have many more monomers of carbohydrates.

• Starch contains much more nitrogen than simple sugars.

• Simple sugars contain polysaccharides of monomers.