In many cases, signaling factors maintain the stem cell in an uncommitted state.

TLS Online TPP Program

#Id: 5999

#Unit 3. Fundamental Processes

A 14-bp “core” region, called the A domain, which contains an 11-bp consensus sequence consisting of A-T base pairs. This consensus sequence (sometimes called the ACS, for ARS)

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#Id: 1342

#Unit 4. Cell Communication and Cell Signaling

HER3 lacks a functional kinase domain

TLS Online TPP Program

#Id: 2567

#Unit 7. System Physiology – Animal

Reabsorption

Water and many solutes (e.g., Na+, Cl−, HCO3−, glucose, amino acids, urea, Ca2+, Mg2+, phosphate, lactate & citrate) are reabsorbed from the glomerular filtrate into the peritubular capillary blood.

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#Id: 8689

#Unit 1. Molecules and their Interaction Relevant to Biology

Pyruvate kinase is allosterically inhibited by ATP, acetyl-CoA, and long-chain fatty acids

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#Id: 2367

#Unit 5. Developmental Biology

Zeta neoblasts give rise to epidermal cell fates through a prog-1-positive postmitotic precursor state.