Biology Tutorial 2

Each of the components below makes up an amino acid except:

• Amino group

• Carboxyl group

• Hydrogen atom

• Phosphate group

Primary Protein Structure is made up of a unique sequence of amino acids

• True
• False

The amino acid sequence of a primary protein decides its:

• Biological function

• Protein Shape

Secondary Protein Structure has two types: Alpha-helix and?

What bond is the main bond that stabilises secondary protein structure?

• Hydrogen bond

• Ionic bond

• Covalent bond

• Hydrophobic bond

Tertiary protein structure is formed by regular folding of the polypeptide chain.

• True
• False

Below are the chemical bonds that are involved in the formation of tertiary protein structure except:

• Hydrogen bond

• Peptide bond

• Disulfide bond

• Hydrophobic bond

What interaction is the main stabiliser in quaternary protein structure?

• Hydrophobic bond

• Hydrogen bond

• Ionic bond

• Covalent bond

The hydrolysis reaction is the reaction that forms a polynucleotide chain.

• True
• False

_______ bond is the main interaction that holds nucleotides together.