When blood platelets are activated during a clotting reaction, they release high concentrations of ATP and Ca2+ along with serine/threonine kinases. Phosphorylated C3b is less susceptible to proteolytic degradation than its unphosphorylated form

TLS Online TPP Program

#Id: 4019

#Unit 7. System Physiology – Animal

L-type calcium channels become inactivated (i.e., they close) within about 100 to 150 milliseconds after opening

TLS Online TPP Program

#Id: 2484

#Unit 13. Methods in Biology

TEMED catalyzes the decomposition of the persulfate ion to give a free radical (i.e., a molecule with an unpaired electron):

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#Id: 432

#Unit 2. Cellular Organization

Core DNA invariant length of 146 bp contains core and linker histones so Mnase cuts after H1 binding site. 

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#Id: 10456

#Unit 4. Cell Communication and Cell Signaling

A highly specific inhibitor imatinib (Gleevec), which

binds directly to the active site of the ABL kinase and holds it in an inactive conformation to inhibit its kinase activity, is lethal to CML cells

TLS Online TPP Program

#Id: 1877

#Unit 10. Ecological Principles

K1>K2/β  and K1/α<K2- Either species 1 or species 2 goes extinct, depending on the initial densities.