Natural immunity to helminth infections is Th2-type responses, including ILC2s, and IL-4 and IgE production.

TLS Online TPP Program

#Id: 5323

#Unit 7. System Physiology – Animal

 Isovolumetric Ventricular Relaxation

When left ventricular pressure falls below aortic pressure, the aortic valve closes.

TLS Online TPP Program

#Id: 7865

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 2907

#Unit 3. Fundamental Processes

The function of DnaC is that of a chaperone to repress the helicase activity of DnaB until it is needed.

TLS Online TPP Program

#Id: 3301

#Unit 3. Fundamental Processes

DNA lesions that cause large distortions in the helical structure of DNA generally are repaired by the nucleotide-excision system, a repair pathway critical to the survival of all free-living organisms. 

TLS Online TPP Program

#Id: 9071

#Unit 4. Cell Communication and Cell Signaling

Feedback mechanisms suppress signaling by the PKA pathway:

1. Intrinsic GTPase activity of Gαs

2. PDE acts to hydrolyze cAMP to 5′-AMP

3. By BARK