Question: DNA and RNA are both

Answer: molecules that contain genetic information and are made up of nucleotides

Question: What biological macromolecule is made up of monomers like the one shown below?

Answer: Carbohydrate

Question: Which of the following statements best describes the structure and function of a carbohydrate?

Answer: Carbohydrates are large molecules made up of mono-saccharides and are used by organisms for energy storage.

Question: Which of the structures below represents a fat?

Answer: C

Question: What biological macromolecule is made up of monomers like the one shown below?

Answer: Nucleic acid

Question: The maltose molecule can be broken down into two individual glucose molecules with the help of an enzyme produced within a cell. Which of the following changes is most likely to slow down this reaction?

Answer: Increasing the pH within the cell

Question: Proteins have a variety of functions within a living cell. Describe at least three of the possible functions of proteins, and explain how proteins can be so diverse when there are only a limited number of different amino acids.

Answer: Proteins can act as carriers,messenger,and supporters .

Due to the number and arrangement of amino acids in the chain ,and the shape of the molecules. These proteins are able to carry out various functions when there are only a limited number of different amino acids.