CIE AS Biological molecules

Welcome to your CIE AS Biological molecules

Which of the following does not react with Benedict's solution?

Which of the following is not a disaccharide?

Select the incorrect statement regarding the haemoglobin molecule.

Which property of water makes it possible for a pond skater to 'walk' on the surface of a water body?

What is the most important monosaccharide in energy metabolism?

How many polypeptide chains does a collagen molecule contain?

Which term describes both collagen and haemoglobin?

What happens when a Biuret reagent is added to a solution of free amino acids?

An example of a fibrous protein.

A condensation reaction between two amino acids forms the following bond.

Which of the following solutions turn milky white upon adding ethanol and water?


a) A slice of potato


b) Milk


c) Palm oil


d) A piece of apple