Dollo’s law: A biological generalization positing that complex characters, once lost in evolution, are extremely unlikely to reappear and thus the loss of complex characters is virtually always irreversible.

TLS Online TPP Program

#Id: 2786

#Unit 13. Methods in Biology

Chromatography columns are considered to consist of a number of adjacent zones in each of which there is sufficient space for an analyte to completely equilibrate between the two phases, Each zone is called a theoretical plate (having no N).

TLS Online TPP Program

#Id: 1692

#Unit 4. Cell Communication and Cell Signaling

Recognition of Recombination Signal Sequence (RSS) by the RAG1/RAG2 enzyme complex.

TLS Online TPP Program

#Id: 1614

#Unit 4. Cell Communication and Cell Signaling

Proinflammatory cytokines TNF-ᾳ, IL-1, and IL-6, produced by macrophages and dendritic cells.

TLS Online TPP Program

#Id: 8263

#Unit 1. Molecules and their Interaction Relevant to Biology

Spontaneous Dipole-Induced Dipole Interaction

Spontaneous dipole-induced dipole interactions are also known as dispersion or London forces

TLS Online TPP Program

#Id: 7797

#Unit 2. Cellular Organization

Exportin 1

a specific nuclear transport receptor for export mechanism