Hydrologic cycle

      

TLS Online TPP Program

#Id: 10488

#Unit 4. Cell Communication and Cell Signaling

Most tumor cells,express MHC class I molecules on their surface, cytotoxic T cells can directly recognize tumor cells expressing neo-antigens.

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#Id: 1722

#Unit 4. Cell Communication and Cell Signaling

The α chains of the FcεRI, members of the immunoglobulin superfamily, directly bind the IgE heavy chains, whereas the β and γ chains are responsible for signal transduction.

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#Id: 5553

#Unit 7. System Physiology – Animal

Intercalated cells play a major role in acid-base regulation and constitute 30 to 40 percent of the cells in the collecting tubules and collecting ducts

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#Id: 5299

#Unit 7. System Physiology – Animal

Period of relaxation called diastole, during which the heart fills with blood A period of contraction called systole

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#Id: 2485

#Unit 13. Methods in Biology

Photopolymerization is an alternative method that can be used to polymerize acrylamide gels. Ammonium persulfate and TEMED are replaced by riboflavin and when the gel is poured it is placed in front of a bright light for 2–3 h.