Activated RTKs and cytokine receptors to activate Ras, by two cytosolic proteins — GRB2 and Sos

TLS Online TPP Program

#Id: 5542

#Unit 7. System Physiology – Animal

The thick ascending limb of the loop of Henle is the site of action of the powerful “loop” diuretics such as

Furosemide

Ethacrynic acid

Bumetanide 

TLS Online TPP Program

#Id: 7747

#Unit 1. Molecules and their Interaction Relevant to Biology

Size of atom or atomic radii can be estimated by effective nuclear charge

TLS Online TPP Program

#Id: 4312

#Unit 11. Evolution and Behavior

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: 7702

#Unit 1. Molecules and their Interaction Relevant to Biology

                                                             Omega loop

TLS Online TPP Program

#Id: 5351

#Unit 10. Ecological Principles

λ represents the finite rate of population change over some time interval, often a year

λ = N1/N0