Pointers

  1. Home
  2. Free Resources
  3. Pointers
  4. 1897
TLS Online TPP Program

#Id: 1897

Three signals are required for activation of a naïve T cell


#Unit 4. Cell Communication and Cell Signaling #B and T cell receptors #Part B Pointers
PYQ Links
  1. PYQ 1
Extensive Links
  1. Link 1
More Pointers
TLS Online TPP Program

#Id: 4457

#Unit 13. Methods in Biology

Scanning electron microscopy (SEM) allows investigators to view the surfaces of unsectioned metal-coated specimens
TLS Online TPP Program

#Id: 4458

#Unit 13. Methods in Biology

Molecules in the metal coating are excited and release secondary electrons that are focused onto a scintillation detector
TLS Online TPP Program

#Id: 4459

#Unit 13. Methods in Biology

Immunoelectron microscopy is used for localizing proteins in thin sections at the electron microscope level.
TLS Online TPP Program

#Id: 4460

#Unit 13. Methods in Biology

To make the antibody visible in the electron microscope, it must be attached to an electron-dense marker.
TLS Online TPP Program

#Id: 4461

#Unit 13. Methods in Biology

Scanned-probe microscope scans the specimen without modifying it or exposing it to damaging high -energy radiation. 
TLS Online TPP Program

#Id: 4462

#Unit 13. Methods in Biology

Scanned-probe microscopy is of two types:

Scanning tunneling microscopy

Atomic force microscopy