Flashcards in Chapter 8 Questions Deck (9)
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1
What was the transforming principle?
It discovered that since DNase destroyed the transforming substance, the transforming substance was DNA.
2
Who demonstrated that DNA carried genetic information?
Hershey and Chase.
3
How is the nitrogenous base linked to the 1' carbon atom of the sugar?
Through a covalent bond.
4
How are polynucleotide strands connected?
Covalent, phosphodiester bonds.
5
What is on the outside and inside of the double helix?
The sugar phosphate linkages are on the outside and the bases are stacked in the interior.
6
How many H bonds does C and G have?
3
7
How does Z DNA differ from B DNA?
Z DNA forms a left handed helix.
8
What is the nucleosome made up of?
Two copies of each H2A, H2B, H3 and H4 histone proteins.
9
