L4 - Nucleic Acids Flashcards
1
Q
Nucleic Acids
A
Encode all of the genetic information for an organism
2
Q
DNA
A
Double stranded
C, G, T and A
3
Q
RNA
A
Mostly single stranded
C, G, U and A
4
Q
Nucleotide
A
Phosphate, Sugar and Base
5
Q
Nucleoside
A
Sugar and Base
6
Q
Sugars
A
Ribose in RNA
Deoxyribose in DNA
7
Q
Purines
A
A and G
2 Rings
9 member rings
8
Q
Pyrimidines
A
U, T and C
1 Ring
6 member ring
9
Q
Sequence
A
5’ to 3’
10
Q
Bond
A
Phosphodiester linkage
11
Q
Diameter of DNA double helix
A
2nm
12
Q
Nucleotides per turn of DNA double helix
A
10
13
Q
Spatial arrangement of DNA double helix
A
Phosphates and sugars near water (outside)
Bases lie flat inside
14
Q
Strands of DNA double helix
A
Run opposite directions
Complementary
