Chromosome compaction involving progressive chromosome looping:

During prophase, condensin II binds DNA and extrudes large loops

In prometaphase, condensin I forms additional loops nested within the loops formed by condensin II

TLS Online TPP Program

#Id: 9426

#XL - T Zoology

TLS Online TPP Program

#Id: 10296

#XL - Q Biochemistry

T Cells Undergo Positive and Negative Selection

TLS Online TPP Program

#Id: 8327

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 9360

#XL - T Zoology

Smad2/3 become phosphorylated by active RI receptors and together with Smad4 move into the nucleus to activate gene transcription

TLS Online TPP Program

#Id: 4310

#XL - T Zoology

Cope’s rule: A proposed generalization that individual body size in animals tends to increase during evolution.