5.1 S.G. Flashcards
1
Q
one of the four nucleotide bases in DNA
A
Guanine
2
Q
a pyrimidine nucleobase that is uracil in which the hydrogen at position 5 is replaced by a methyl group.
A
Thymine
3
Q
one of the four nucleotide bases in DNA
A
Cytosince
4
Q
one of the two purine nucleobases (the other being guanine) used in forming nucleotides of the nucleic acids.
A
Adenine
5
Q
why is cytosine and guanine together?
A
because they create 3 hydrogen bonds.
6
Q
Why is adenine and thymine together?
A
because they both have 2 hydrogen bonds which expose hydrogen on each molecule.
