,DNA, Genes and
Chromosomes
,Nucleotide
Nitrogen containing base
Phosphate group
Pentose
sugar
, DNA
Each DNA strand is composed of nucleotides -
made up of a deoxyribose sugar, a phosphate group,
and one of four organic bases (A,C,G,T).
It is double-stranded, and hydrogen bonds between
the bases form a helix shape.
Chromosomes
,Nucleotide
Nitrogen containing base
Phosphate group
Pentose
sugar
, DNA
Each DNA strand is composed of nucleotides -
made up of a deoxyribose sugar, a phosphate group,
and one of four organic bases (A,C,G,T).
It is double-stranded, and hydrogen bonds between
the bases form a helix shape.