Proteins VCE

What are polypeptides?

• chains of carbohydrates
• chains of amino acids
• chains of fatty acids
• chains of nucleic acids

The reaction which occurs when a polypeptide is formed is called .....

• a condensation reaction
• a hydrolysis reaction
• a hydration reaction
• a peptide reaction

What is the name of the bond that is formed when a polypeptide is made?

• Ester bond
• Glycosidic bond
• Peptide bond
• Amine bond

Amino acids are different from one another due to .......

• their differing carboxyl group
• their differing amine group
• their differing R group
• their differing carbon backbone

Which parts of the amino acid react with another amino acid to form a peptide bond?

• The carboxyl group and the R group
• The carboxyl group and the amino group
• The amine group and the R group
• The R group and carbon backbone

Can more than one polypeptide chain link together?

• Yes
• No

The monomers of a protein are .....

• amino acids
• nucleic acids
• monosaccharides
• nucleotides

Amino Acids that need to be acquired through food are called ______ amino acids.

• Dietary
• Essential
• Proteome
• Factoral

The two types of folding in the secondary structure are.....

• alpha-helix & beta-pleated sheets
• polypeptide & nucleotide
• globular & fibrous

What gives a protein its unique shape?

• the unique sequence of amino acids in its polypeptide chain
• the unique folding due to the sequence of amnio acids in the polypeptide chain
• hydrogen bonding & unique interactions between the 'R' groups
• all of these