Proton & neutron are found in the center of the atom, a place called the nucleus.

TLS Online TPP Program

#Id: 5266

#Unit 7. System Physiology – Animal

Phase 4 (resting membrane potential) averages about −90 millivolts.

TLS Online TPP Program

#Id: 4932

#Unit 1. Molecules and their Interaction Relevant to Biology

A non-competitive inhibitor can combine with an enzyme molecule to produce a dead-end complex.

TLS Online TPP Program

#Id: 5560

#Unit 7. System Physiology – Animal

Medullary collecting duct is permeable to urea, and there are special urea transporters that facilitate urea diffusion across the luminal and basolateral membranes

TLS Online TPP Program

#Id: 9620

#Unit 4. Cell Communication and Cell Signaling

HER3 (Erb-B3) can bind ligands but lacks a functional kinase domain and can signal only when heterodimerizes with HER2 (Erb-B2

TLS Online TPP Program

#Id: 8660

#Unit 10. Ecological Principles

Liebig’s law of the minimum Law stating that a population increases until the supply of the most limiting resource prevents it from increasing further.