Proteins and Nucleic Acids Lesson

Multiple Choice

All of the following are roles of proteins EXCEPT

• Act as enzymes

• Provides short-term energy

• Gives cells/organisms structure

• Protection against diseases

Multiple Choice

Which statement does not describe the role of enzymes?

• Enzymes synthesize molecules

• Enzymes are specific to the molecules in a reaction.

• Enzymes reactions are maximized within a specific range of conditions.

• Enzymes increase the activation energy necessary for cell metabolism.

Multiple Choice

Examine the image - use magnifying glass to make larger. What pH are both A and B enzyme working?

• pH 2

• pH 14

• pH 8

• pH 5

Multiple Choice

Amino acids all have the same general structure except for the:

• Amino Group
• Carboxyl Group
• 'R' Group
• Carbonyl Group

Multiple Choice

Which of the following elements make up nucleic acids

• C,H, and O

• C, H, O, and N

• C, Ca, N, H, and P

• C, H, O, N, and P

Match

Match the monomer with the polymer

• nucleic acids

• proteins

• lipids

• carbohydrates

nucleotides

amino acids

glycerol & fatty acids

monosaccharides

• nucleotides

• amino acids

• glycerol & fatty acids

• monosaccharides

Multiple Choice

DNA contains _____________________sugar.

• fructose
• deoxyribose
• galactose
• ribose

Multiple Choice

From the nucleotide on the right, which part is labeled 2?

• Sugar
• Phosphate
• Nitrogenous Base
• Phosphorous