Topic 14 Flashcards
1
Q
forms ribosomes and catalyzes protein synthesis
A
rRNA
2
Q
carries amino acids during protein synthesis
A
tRNA
3
Q
Pyurines
A
adenine & guanine
4
Q
Pyrimidines
A
cytosine, thymine, uracil
5
Q
Pyurines and pyrimidines join together at the ____ anomeric carbon of ribose/deoxyribose
A
1
6
Q
Bases join by ____________ bond
A
N-glycosidic
7
Q
Nucleoside
A
sugar + base
8
Q
Nuceotide
A
sugar + base + phosphate
9
Q
Phosphate is attached to the _____ anomeric carbon
A
5
10
Q
Mononucleotides link to form unbranched polynucleotide chains through _________ bonds
A
3’,5’ phospodiseter
11
Q
Base stacking is stabilized by _________ forces
A
dispersion/ london
12
Q
Width of base pairs
A
10.82 A
13
Q
One full turn =
A
34A or 10 bp
14
Q
Tm is when
A
50% of all DNA has denatured
15
Q
Chromatin
A
DNA + packaging proteins (histones)
