The tRNAAla structural elements recognized by then Ala-tRNA synthetase are unusually simple.  A single G=U base pair 3:70 is the only element needed for specific binding and aminoacylation

TLS Online TPP Program

#Id: 1098

#Unit 2. Cellular Organization

ATP powered pumps transport ions and various small molecules across membranes always against their concentration gradients.

TLS Online TPP Program

#Id: 8299

#Unit 1. Molecules and their Interaction Relevant to Biology

The Eisenthal and Cornish-Bowden plot at constant v0 and [S0], a plot of V max against Km is linear.

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#Id: 4279

#Unit 12. Applied Biology

Cell viability is calculated as the number of viable cells divided by the total number of cells.

TLS Online TPP Program

#Id: 9978

#Unit 4. Cell Communication and Cell Signaling

β-catenin binds to TCF to displace the Gro repressor and recruits co-activator proteins Pygo, LGS, to activate target gene expression.

TLS Online TPP Program

#Id: 6138

#Unit 3. Fundamental Processes

XP-V is caused by a defect in the translesion DNA polymerase, Pol n. The gene encoding Pol n is sometimes called XPV