Fluorine (the most electronegative element) is assigned a value of 4.0, and values range down to cesium and francium which are the least electronegative at 0.7

TLS Online TPP Program

#Id: 2753

#Unit 13. Methods in Biology

TLS Online TPP Program

#Id: 971

#Unit 5. Developmental Biology

Nodal related low + Veg T, Vg1 = Ventral mesoderm

TLS Online TPP Program

#Id: 8879

#Unit 2. Cellular Organization

This combination of two positive feedback loops:

one that activates a CDK1 activator (Cdc25C)

one that inhibits a CDK1 inhibitor (Wee1)

results in the abrupt and irreversible transition from G2 into mitosis.

TLS Online TPP Program

#Id: 5353

#Unit 10. Ecological Principles

Populations grow when R0 or λ>1, populations decline when R0 or λ<1, and are at equilibrium when R0 or λ=1

TLS Online TPP Program

#Id: 8700

#Unit 1. Molecules and their Interaction Relevant to Biology