Exam 3 Flashcards
1
Q
A
DNA sugar - deoxyribose
2
Q
At what carbon do deoxyribose and ribose differ?
A
C2
3
Q
A
RNA sugar -ribose
4
Q
A
Thymine
5
Q
A
Cytosine
6
Q
A
Guanine
7
Q
A
Adenine
8
Q
A
Adenine
9
Q
A
Cytosine
10
Q
A
Guanine
11
Q
A
Thymine
12
Q
How do Adenine and Thymine Hydrogen bond?
A
13
Q
How do Guanine and Cytosine Hydrogen bond?
A
14
Q
A
Uracil
15
Q
What does a phosphodiester linkage look like?
What C’s do the phosphates bond?
What’s the directionality?
A
3’-5’ phosphodiester bond (going down)
5’ C on bottom; 3’ C on top
27
Q
A
Xanthine
28
Q
A
Hypoxanthine
