nucleic acid Flashcards
1
Q
what makes up DNA
A
deoxyribose sugar, phosphate group, nitrogenous base
2
Q
what is the monomer of nucleic acid
A
nucleotide
3
Q
what three components make up a nucleotide
A
- pentose sugar
- phosphate
- organic base
4
Q
which bases are purines
A
Adenine and Guanine
5
Q
what is a purine
A
double ringed base
6
Q
which bases are pyrimidines
A
Thymine and Cytosine
7
Q
what is a pyrimidine
A
single ringed base
8
Q
what two bonds are formed in a nucleotide
A
ester
glycosidic
9
Q
which two molecules form an ester bond
A
phosphate and pentose sugar
10
Q
which two molecules from a glycosidic bond
A
base and pentose sugar
11
Q
how are ester and glycosidic bond formed
A
condensation reaction
12
Q
what is 5’
A
5 prime
the 5th carbon which bonds with the phosphate group
13
Q
what is 3’
A
3 prime
the 3rd carbon which bonds with the phosphate group
14
Q
A
