the structure of dna Flashcards
1
Q
what is the shape of dna?
A
a double stranded helix
1
Q
how are the two strands held together?
A
by complementary bsse paires
2
Q
what are the four bases?
A
adenine
thymine
cytosine
adenine
3
Q
what are the complementary base pairs?
A
A+T
C+G
4
Q
A