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TLS Online TPP Program

#Id: 492

The metaphase scaffold consists of a dense network of fibers. Threads of DNA emanate from the scaffold, apparently as loops of average length 30 to 90 kb.

#Unit 2. Cellular Organization #Eukaryotic Chromosome Architecture #Part B Pointers
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TLS Online TPP Program

#Id: 1553

#Unit 2. Cellular Organization

Kinesin-14 is a C-terminal kinesin & travel toward the microtubule minus end.
TLS Online TPP Program

#Id: 1554

#Unit 2. Cellular Organization

The dyneins are a family of minus end–directed microtubule motors.
TLS Online TPP Program

#Id: 7769

#Unit 2. Cellular Organization

Nuclear envelope

Double-membrane structure; the outer membrane is continuous with the endoplasmic reticulum and the two membranes are perforated by nuclear pore complexes
TLS Online TPP Program

#Id: 7770

#Unit 2. Cellular Organization

The inner nuclear membrane contains proteins that act as binding sites for chromosomes and for the nuclear lamina.
TLS Online TPP Program

#Id: 7771

#Unit 2. Cellular Organization

Nuclear lamina

Fibrous network on the inner surface of the nuclear envelope composed of lamin intermediate filaments that provides structural support for the nuclear envelope and also acts as an anchoring site for chromosomes.
TLS Online TPP Program

#Id: 7772

#Unit 2. Cellular Organization

The inner membrane is surrounded by the outer nuclear membrane, which is continuous with the membrane of the ER. The outer nuclear membrane is studded with ribosomes engaged in protein synthesis.