Nucleotide structure Flashcards
1
Q
How to tell RNA from DNA?
A
RNA contains an OH group on the 2’ carbon in the ribose sugar where as DNA is deoxy-
2
Q
Functional groups of Adenine?
A
NH2
3
Q
Functional groups of guanine?
A
NH2, carbonyl O
4
Q
Functional groups of thymine?
A
Carbonyl O, Methyl
5
Q
Functional groups of Uracil?
A
Carbonyl O
6
Q
Functional groups of Cytosine?
A
NH2
7
Q
What is a nucleoside?
A
A compound containing a nitrogenous base covalently linked to Ribose.
8
Q
What is the net charge of a nucleic acid?
A
They have a net negative charge
9
Q
How are ribose sugars of nucleotides joined together?
A
Via phosphodiester bonds.
10
Q
How many H-bonds do guanine and cytosine form?
A
3 H-bonds
11
Q
How many H-bonds do adenine and thymine form?
A
2 H-bonds
