Tubular reabsorption is quantitatively large & highly selective.

TLS Online TPP Program

#Id: 8621

#Unit 2. Cellular Organization

The Cip/Kip family members bind to cyclin-bound CDKs and block the activity of cyclin D-, E-, A-, and B-containing complexes.

TLS Online TPP Program

#Id: 683

#Unit 3. Fundamental Processes

POT1 binding to single-stranded telomere DNA inhibits telomere activity.

TLS Online TPP Program

#Id: 9715

#Unit 4. Cell Communication and Cell Signaling

Activated Ste11 then phosphorylates Ste7, a dual-specificity MEK.

TLS Online TPP Program

#Id: 9274

#Unit 6. System Physiology – Plant

Bacterial Nod genes are activated to initiate nodulation in plants by plant signals flavonoids

TLS Online TPP Program

#Id: 4333

#Unit 1. Molecules and their Interaction Relevant to Biology

About 75% of the charged residues in proteins are members of ion pairs that are located mostly on the protein surface.

Despite the strong electrostatic attraction interactions contribute little to the stability of a native protein.