Studied by 5 people
Electrostatic action
________ between the positive charge histone and the negative phosphates of the DNA are an important stabilizing force in maintaining chromatin structure.
Heterochromatin
________: highly condensed in comparison to euchromatin.
Euchromatin
________: DNA that is undergoing normal packing.
Radial loop domains
________: interaction between 30- nanometer fibers and nuclear matrix.
Major groove
________: proteins bind to affect gene expression.
Major groove
proteins bind to affect gene expression
Minor groove
narrower
2nd level coiling of the beads into a helical array
30nm fiber = chromatin
Radial loop domains
interaction between 30-nanometer fibers and nuclear matrix
Euchromatin
DNA that is undergoing normal packing
Heterochromatin
highly condensed in comparison to euchromatin
Features of DNA
Double stranded
Antiparallel strands
Right-handed helix
Sugar-phosphate backbone
Bases on the inside
Stabilize H-bonding
Specific base pairing
About 10 nucleotides per helical turn
Chargoff's rules
A pairs with T
G pairs with C
Keeps width consistent
Note 
Flashcard (20)