Unit 3 AOS 1: DP 5

What are amino acids considered to be in the structure of proteins?

• Polymers

• Monomers

• Catalysts

• Enzymes

How many hierarchical levels of protein structure are there?

• Two

• Three

• Four

• Five

What is the relationship between the structure of a protein and its function?

• The structure of a protein determines its function

• The function of a protein is independent of its structure

• The structure of a protein has no impact on its function

• The function of a protein determines its structure

What are proteins made of?

• Nucleic acids

• Amino acids

• Fatty acids

• Sugars

Why is the shape of a protein important?

• It determines the protein's color.

• It determines the protein's size.

• It determines the protein's function.

• It determines the protein's taste.

Which parts of the amino acid structure vary among different amino acids?

• The amino group

• The carboxyl group

• The hydrogen atom

• The R group

What is the by-product of the condensation reaction?

• Ammonia (NH3)

• Hydrochloric acid (HCl)

• Water (H2O)

• Oxygen (O2)

During condensation polymerisation, what is the polymer formed from amino acids called?

• Polysaccharide

• Polypeptide chain

• Polyvinyl chloride

• Polyethylene

What is keratin a protein found in?

• Snake venom

• Bird feathers and human hair

• Plant cell walls

• Insect exoskeleton

Which of the following is NOT a level of protein structure?

• Primary structure

• Secondary structure

• Tertiary structure

• Quinary structure