A1.2: Nucleic Acids

Question 1

Why are viruses not considered to be living organisms?

Answer 1

Despite using RNA as their genetic material, they can’t undergo independent metabolism therefore are not considered living

Question 2

Describe the structure of a nucleotide.

Answer 2

Consists of a Phosphate (circle) attached covalently to the 5th Carbon of a pentose group (pentagon). A nitrgenous base (rectangle) is attached to the 2nd Carbon

Phosphate circle - pentose pentagon - nitrogenous base rectangle