Cell wall endotoxins of some gram-negative bacteria activate macrophages, resulting in release of high levels of IL-1 and TNF-α, which can cause septic shock.

TLS Online TPP Program

#Id: 9055

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 7785

#Unit 2. Cellular Organization

These proteins contain a nuclear-localization signal (NLS) that directs their selective transport into the  nucleus.

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#Id: 10452

#Unit 4. Cell Communication and Cell Signaling

Philadelphia chromosome generated by a translocation

between chromosomes 22 and 9

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#Id: 9597

#Unit 11. Evolution and Behavior

Homo habilis – First tool maker

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#Id: 5686

#Unit 7. System Physiology – Animal

The hormones secreted by the posterior pituitary gland (neurohypophysis) are arginine vasopressin (AVP) and oxytocin