Protein and Nucleic Acid

Which of the following bond(s) do(es) NOT exist in a secondary structure?

• Peptide bond

• Hydrogen bond

• Disulphide bond

• Ionic bond

The repeating units of protein are

• Amino acids

• Glucose

• Fatty acid

• Peptides

The polypeptide in the diagram consists of;

• 3 amino acids and 3 peptide bonds

• 3 amino acids and 2 peptide bonds

• 4 amino acids and 2 phosphodiester bonds

• 3 amino acids and 2 phosphodiester bonds

What is the monomer of a protein?

• amino acid
• monosaccharide
• fatty acid
• nucleic acid

Amino acids are made of which of the following?

• C,H,O, AND P 

• x (CH2O) Where x can be any whole number 

• C,H,O, AND N

• C,H,O and long C-H side chains 

Check all of the items that are part of an amino acid.

• alpha carbon

• carboxyl group

• R group

• amino group

Identify the type of bond that links amino acids in a protein.

• hydrogen

• peptide

• glycosidic

• ester

What function of proteins refer to the scaffolding it provides for cells to maintain its shape?

• Catalysis

• Hormones

• Regulation

• Structure

_________ is used to repair and build muscles

• carbohydrates

• fat

• protein

• fiber

The primary and most important function of protein in the body is to

• control bodily functions

• grow and repair body tissue

• provide energy

• fight disease