Botany 12th Flashcards
(9 cards)
1
Q
Length of DNA in ¢X174 bacteriophage
A
ss circular
5386 nucleotides
2
Q
Bacteriophage lambda
A
ds linear
48502 bp
3
Q
Escherichia coli
A
ds circular
4.6 × 10⁶
4
Q
Human
A
ds linear
6.6 × 10⁹ bp
5
Q
Nuclein
A
Acidic substance +nt in nucleus
Friedrich Meisher in 1869
6
Q
X-Ray defraction of DNA
A
Maurice Wilkins & Rosalind Franklin
7
Q
Who proposed double helix model for str of DNA
A
James Watson & Francis Crick in 1953
8
Q
RNA virus examples
A
ss - plant virus , TMV , corona , HIV , Rabies , QB bacteriophage
ds - Reovirus , wound tumor
9
Q
DNA virus examples
A
ss - ¢X174 bacteriophage
ds - animal virus , bacteriophage
