a1.2.2 - components of a nucleotide

Question 1

list the three components of a nucleotide

Answer 1

a nucleotide is the monomer subunit of the nucleic acids. a nucleotide has three component parts:
1. a nitrogenous base
2. a 5-carbon (pentose) sugar (ribose or deoxyribose)
3. a phosphate group

Question 2

identify and label the carbons of a pentose sugar

Answer 2

the carbons of the sugar component of the nucleotide are numbers clockwise, starting from the oxygen in the ring at the top and the phosphate group to the left