Chapter 11 Flashcards
1
Q
nucleotides
A
building blocks of nucleic acids
2
Q
ATP
A
nucleotide
3
Q
purines
A
adenine, guanine
4
Q
pyrimidines
A
cytosine, thymine, uracil
5
Q
How are purines and pyrimidines attached to C1’ of the pentose?
A
by N-B-glycosyl bond
6
Q
How are each nucleotide connected?
A
phosphodiester bond to the 3’
7
Q
5’ end
A
free phosphate group
8
Q
3’ end
A
free hydroxyl group
9
Q
Chargaff’s Rule
A
number of purines always equals the number of pyrimidines
10
Q
Adenine bonds with
A
Thymine
11
Q
Guanine bonds with
A
Cytosine
12
Q
DNA is a ________ double helix
A
right handed
13
Q
two DNA strands are…
A
antiparallel
14
Q
1 turn of a helix includes…
A
10 pairs
15
Q
palindrome
A
sequence that reads forward and backwards the same way
