nucleic acids Flashcards
1
Q
what are nucleic acids made out of and what is their function?
A
nucleotides
store, transmit, and express hereditary info
2
Q
how are nucleic acids formed?
A
nucleotides
polynucleotides
nucleic acids
3
Q
what are the 3 parts of a nucleotide?
A
nitrogenous base
5 carbon sugar (pentose)
phosphate group
4
Q
what are the main parts of the nitrogenous base?
A
pyrimidines- 1 ring (C, T, U)
purines- 2 rings (A, G)
5
Q
what sugars are DNA and RNS?
A
deoxyribose
ribose
6
Q
how is the phosphate group attached to the sugar?
A
added to the 5’ carbon of the sugar
7
Q
what is the phosphate bond called?
A
phosphodiester linkage
8
Q
what does DNA consist of?
A
2 polynucleotides
T, A, G, C
9
Q
what does RNA consist of?
A
single strand polynucleotides
A, C, G, U
