Ferguson Review Flashcards
1
Q
DNA Strucutre
A
2 long polynucleotide chains w/ 4 types of nucleotide subunits (nucleotides = 5C sugar and nitrogenous base covalently linked via glycosidic bond); 3D structure is a double helix (1 turn every bp); anti parallel: each strands sequence is complementary to partner
2
Q
What is the sugar in DNA?
A
Deoxyribose
3
Q
Each individual nucleosome core particle consists of what?
A
8 histone proteins (histone October): 2 each of H2A, H2B, H3 and H4. And 2x stranded DNA that is 147 nucleotide pairs long.
Linker DNA can be few to 80nt; nucleosomes repeat every 200 nucleotide pairs or so
