5.1 DNA Structure Flashcards
1
Q
dna
A
holds genetic code for a cell
2
Q
made up of
A
nitrogenous bases, deoxyribose sugars, phosphate groups
3
Q
thymine with
A
adenine
4
Q
guanine with
A
cytosine
5
Q
how is it structured
A
double helix
6
Q
how do the strands run
A
antiparallel
7
Q
covalent bonds
A
holds nucleotides & backbones
8
Q
hydrogen bonds
A
holds two strands together
9
Q
pyrimidines
A
adenine & guanine
10
Q
purines
A
thymine & cytosine
