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TLS Online TPP Program

#Id: 6918

Chromosome deletion 

#Unit 8. Inheritance Biology #Structural and numerical alterations of chromosomes #Part B Pointers
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TLS Online TPP Program

#Id: 448

#Unit 2. Cellular Organization

The nucleosome consists of approximately equal masses of DNA and histones (including H1).
TLS Online TPP Program

#Id: 449

#Unit 2. Cellular Organization

H32-H42 tetramer accounts for the diameter of the octamer. It forms the shape of a horseshoe.
TLS Online TPP Program

#Id: 450

#Unit 2. Cellular Organization

All four core histones show a similar type of structure in which three a-helices are connected by two loops. This highly conserved structure is called the histone fold.
TLS Online TPP Program

#Id: 451

#Unit 2. Cellular Organization

Nucleosomes that contain linker H1 histones are referred to as chromatosomes.
TLS Online TPP Program

#Id: 452

#Unit 2. Cellular Organization

Lysine  in the histone tails are the most common targets of modification.
TLS Online TPP Program

#Id: 453

#Unit 2. Cellular Organization

Acetylation, methylation, ubiquitylation, and sumoylation all occur on the free epsilon amino group of lysine.