Outer membrane of gram negative provides barrier to certain antibiotics, lysozyme, detergents, heavy metals, bile salts, etc.

TLS Online TPP Program

#Id: 8074

#Unit 13. Methods in Biology

Differential absorption of the two circularly polarized lights resulted in elliptically polarized light and CD is represented in terms of molar ellipticity(θ).

θ = 3298    ϵ

TLS Online TPP Program

#Id: 6436

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 2447

#Unit 3. Fundamental Processes

The enzymes DNA gyrase, which introduces negative supercoils into DNA, and DNA topoisomerase I, which removes negative supercoils in DNA, are required to prevent topological stresses from building up in the course of transcription and replication. 

TLS Online TPP Program

#Id: 8775

#Unit 1. Molecules and their Interaction Relevant to Biology

Thermal stability of protein can be calculated

TLS Online TPP Program

#Id: 2452

#Unit 3. Fundamental Processes

In the absence of allolactose, the repressor is present in a form that binds its site on DNA (and so keeps the lac genes switched off ).