IB Proteins

How many different amino acids are found in the proteins of living organisms?

Which is not a primary function of proteins in living organisms?

• Structure

• Energy storage

• Transport

• Defence

State the reaction required to link two amino acids together

Identify the bond shown in green

• 1,4 glycosidic bond

• Peptide bond

• Ester bond

• 1,6 glycosidic bond

Identify the molecule

Identify the role of haemoglobin

• Structure

• Defence

• Hormone

• Transport

Identify the role of antibodies

• Transport

• Defence

• Enzyme

• Structure

State the term for proteins that act as biological catalysts.

Identify the reaction

Identify the role of the protein insulin

• Enzyme

• Hormone

• Defence

• Structure