CB3b Flashcards
1
Q
what shape is DNA
A
double helix
2
Q
what are the 4 bases to make up a DNA
A
adenine, thymine, cytosine, guanine
3
Q
what are the complementray bases
A
A and t , G and C
4
Q
what holds the complementary bases together
A
a hydrogen bond
5
Q
what is next to each base
A
a sugar
6
Q
what is next to the sugar
A
phosphate group
7
Q
how does the hydrogen bonding work
A
one base has a slightly negative charge the other has a slightly positive charge
8
Q
a DNA is a polymer made out of how many strands
A
2
9
Q
Name the enzyme that binds this DNA
A
RNA polymerase
