Cryoelectron microscopy allows examination of hydrated, unfixed, and unstained specimens in the TEM by maintaining them at -196oC (liquid nitrogen).

TLS Online TPP Program

#Id: 9736

#Unit 6. System Physiology – Plant

The hydrolyzing enzyme, myrosinase (a thioglucosidase), is stored in different cells than its substrates. While myrosinase-containing cells are mostly glucosinolate-free, the so-called sulfur-rich cells (or S-cells) contain high concentrations of glucosinolates.

TLS Online TPP Program

#Id: 1885

#Unit 4. Cell Communication and Cell Signaling

Development of T cells from hematopoietic stem cells on bone marrow stromal cells expressing the Notch ligand.

TLS Online TPP Program

#Id: 10512

#Unit 4. Cell Communication and Cell Signaling

EGL-1 protein binds to CED-9, alters its conformation, and catalyzes the release of CED-4 from CED-9

TLS Online TPP Program

#Id: 658

#Unit 3. Fundamental Processes

TTAGGG repeats with size of 3–20-kb are telomeres of human chromosomes.

TLS Online TPP Program

#Id: 2461

#Unit 13. Methods in Biology

Electrophoresis can be performed in two environment 

In free solution - Moving boundary electrophoresis (A. G. Tiselius) & CE

n the medium  -  GEL ( Agarose & PAGE )