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TLS Online TPP Program

#Id: 1423

The binding of integrins to their ligands depends on extracellular divalent cations(Ca+2 & Mg+2).

#Unit 4. Cell Communication and Cell Signaling #Integrins #Part B Pointers
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TLS Online TPP Program

#Id: 9187

#Unit 11. Evolution and Behavior

Positive Selection: The Spread of Beneficial Mutations
TLS Online TPP Program

#Id: 9833

#Unit 6. System Physiology – Plant

PIFs promote etiolated development in the dark (skotomorphogenesis) primarily by serving as transcriptional activators of dark induced genes
TLS Online TPP Program

#Id: 2512

#Unit 13. Methods in Biology

Quantitative analysis (i.e., measurements of the relative amounts of different proteins in a sample) can be achieved by scanning densitometry .
TLS Online TPP Program

#Id: 5309

#Unit 7. System Physiology – Animal

Closure of the AV valves produces the first heart sound (S1).
TLS Online TPP Program

#Id: 566

#Unit 2. Cellular Organization

IPTG (isopropyl b-D-1-thiogalactopyranoside) X-gal (5-bromo4-chloro-3-indolyl-b-D-galactopyranoside). When acted on by that enzyme, X-gal releases a blue color that makes it useful as substrate in assays.