30 nm compacts the DNA 40-fold. This structure of this fiber requires the histone tails and is stabilized by linker histones.

TLS Online TPP Program

#Id: 5494

#Unit 10. Ecological Principles

If survival of juveniles is very poor and unpredictable but adult are more likely to survive - Selection favors repeated reproduction and long reproductive life.

TLS Online TPP Program

#Id: 10524

#Unit 4. Cell Communication and Cell Signaling

During apoptosis, caspase-3 cleaves both ATP11A and

ATP11C, inactivating them

TLS Online TPP Program

#Id: 2933

#Unit 3. Fundamental Processes

The E. coli oriC is fully methylated at the beginning of replication.

TLS Online TPP Program

#Id: 10545

#Unit 4. Cell Communication and Cell Signaling

Binding of cytochrome c to the Apaf1 triggers formation of an apoptosome containing seven molecules each of Apaf and cytochrome c and having a sevenfold symmetry. 

TLS Online TPP Program

#Id: 10029

#Unit 4. Cell Communication and Cell Signaling

In resting cells,

NF-κB binds directly to an inhibitor called I-κBα