DNA Flashcards
1
Q
what is dna made out of
A
nuclitides
2
Q
describe the structure of dna
A
double helix
3
Q
what is in dna nucleotides
A
pentose sugar
nitrogen-containing base
phosphate group
4
Q
what is the sugar called in dna
A
Deoxyribose
5
Q
what are the 4 possible bases for DNA
A
A-T C-G
6
Q
what is it used for
A
storing genetic infomation
7
Q
Why is DNA bigger than RNA
A
Because it contains 2 polynucleotide chains (thats why it has a double helix bcs there is 2)
8
Q
how is the dna’s double helix formed
A
two antiparallel polynucliotides twist to form the DNA double helix
