1) List the four macromolecules (carbohydrates, nucleic acids, proteins, lipids), identify their composition and structure, and describes their major functions in the following table:

Macromolecule Name Identify their composition Major functions in living systems

Carbohydrates

Monosaccharides

Disaccharides

Polysaccharides

 

Nucleic Acids

DNA

RNA

 

Proteins

Enzymes

 

Lipids

Fats

Waxes

Oils

 

 

2) Explain how an enzyme functions as a catalyst?

3) How can an enzyme be specific for a specific substance? What makes it work only for that substance?

4) What factors affect enzyme activity?

5) Predict the effects of temperature, concentration of enzymes, and pH on the activity of enzymes. Make relationship statements such as, "As temperature rises, enzyme activity will........