IB Biology Topic 2

Which process is an example of catabolism?

• Translation of mRNA

• Replication of DNA

• Hydrolysis of protein

• Synthesis of a disaccharide

What are the type of reaction and the product(s) shown in this reaction?

• a

• b

• c

• d

In which processes are macromolecules broken down into monomers?

• Anabolism and catabolism

• Catabolism and hydrolysis

• Hydrolysis and reduction

• Reduction and anabolism

Which type of chemical reaction is an example of anabolism?

• Photolysis

• Combustion

• Hydrolysis

• Condensation

What feature of carbon makes it most suitable as a basis for life?

• Its abundance in nature

• Its bonding properties

• Its reactivity to light

• Its presence in the early atmosphere of the Earth

Which reaction is an example of catabolism?

• Photolysis of water

• Denaturation of a protein by a change in pH

• Production of maltose from amylose by amylase

• Condensation of glucose to form starch

Which molecule diagram corresponds to the name?

• a

• b

• c

• d

The diagram shows a cycle of reactions that occurs in human liver cells.

Which term describes the overall reactions of this cycle?

• Oxidation

• Catabolism

• Condensation

• Metabolism

The diagram shows the structure of palmitic acid.

What type of fatty acid is palmitic acid?

• It is monounsaturated.

• It is polyunsaturated.

• It is saturated.

• It is a trans-fatty acid.

Which molecule can be hydrolyzed?

• Glycerol

• Maltose

• Fructose

• Galactose