TLS Online TPP Program

#Id: 2800

#Unit 13. Methods in Biology

A chromatogram is a pictorial record of the detector response as a function of elution volume or retention time.

TLS Online TPP Program

#Id: 1595

#Unit 5. Developmental Biology

The primitive streak defines the major body axes of the avian embryo. 

TLS Online TPP Program

#Id: 1863

#Unit 10. Ecological Principles

Intraspecific Competition- Between individuals of the same species.   

Interspecific Competition- Between individuals of different species.

TLS Online TPP Program

#Id: 8115

#Unit 1. Molecules and their Interaction Relevant to Biology

Excreted S1P provokes many different cell and tissue effects, among them inflammation in allergic reactions, cell proliferation, angiogenesis, malignant transformation, and movement and migration of certain cells.

TLS Online TPP Program

#Id: 598

#Unit 2. Cellular Organization

Like the Lambda repressor, the cII protein is a transcriptional activator. It binds to a site upstream of a promoter called PRE (for repressor establishment) and stimulates transcription of the cI (repressor) gene from that promoter.