Dominant recessive epistasis (13:3) Pigmentation in paddy rice

P  = purple

              pp=green

              I   =inhibitory gene

              PpIi × PpIi

                       

              P_I_=9  green

              P_ii = 3 purple

              ppI_=3  green

              ppii =1  green

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

TLS Online TPP Program

#Id: 4463

#Unit 13. Methods in Biology

Scanning tunneling microscopy- uses thin metal (tungsten) probe that scans specimen revealing the bumps and depressions of the atoms on the surface of the specimen