Packaging of Eukaryotic DNA Flashcards
1
Q
Composed of DNA and associated proteins chromatin
A
Chromosomes
2
Q
Small, well-defined, basic proteins
A
Histone
3
Q
include diverse structural, enzymatic and regulatory proteins
A
non-histone
4
Q
Repeating units of chromatin composed of DNA and histones
A
nucleosome
5
Q
Around 147 bp supercoiled DNA wrapped twice around this
A
histone core
6
Q
two copies each of histones
A
octamer
7
Q
Referred to as ‘linker histone’ ;
associated with transcription repression ; Runs down the center of the coil acting as
A
histone H1
8
Q
Nucleosomes beads in chromatin isolated from an erythrocyte nucleus
A
beads on a string
9
Q
Structure of fiber remains a subject of debate
A
30 nm chromatin fiber
10
Q
A
11
Q
A
