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N. H. 2. N. N. N. H. N. O. O. H. H. O. P. O. H. H. O. O. O. H. O. H. Formation of a nucleotide. Three compounds are needed to make a nucleotide. deoxyribose. They combine through two condensation reactions (condensation means ‘splitting out’ water, H 2 O). a base - PowerPoint PPT Presentation
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Three compounds are needed to make a nucleotide
OHO
OH
OH
deoxyribose
P
O
OH
OH
OHand
phosphoric acid
N
N
NH
N
NH2
a base
(this one is adenine)
They combine through two condensation reactions (condensation means ‘splitting out’ water, H2O)
Click to follow the formation of the nucleotide from these three compounds
Formation of a nucleotide
OHO
OH
OH
deoxyribose
N
N
NH
N
NH2
a base
a condensation reaction
NO
OH
OH
N
NN
NH2
OH2
And now a phosphate group is added by reaction with phosphoric acid – click to see the reaction
P
O
OH
OH
OH NO
OH
OH
N
NN
NH2
OH2
NO
O
OH
N
NN
NH2
P
O
OH
OH
OH2
OH2
a condensation reaction
Click for a larger diagram of the
nucleotide
The nucleotide formed from:
deoxyribose, adeninine and phosphoric acid
is
NO
O
OH
N
NN
NH2
P
O
OH
OH
This is called AMP
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