nucleic acids Flashcards
1
Q
what is the structure of a nucleotide?
A
a pentose sugar, nitrogenous base and a phosphate group
2
Q
what are the pyrimidine (single ring) bases?
A
thymine and cytosine
3
Q
what are the purine (double ring) bases?
A
adenine and guanine
4
Q
what is the structure of ATP?
A
three phosphate groups, ribose sugar and adenine base
5
Q
which enzyme hydrolyses ATP into ADP?
A
ATPase
6
Q
how much energy is released when ATP is hydrloysed?
A
30.6 kJ/mol
7
Q
why is ATP referred to as the universal energy currency?
A
it provides energy to all reactions in all cells in all species.
