Intercalating agents are flat molecules containing several polycyclic rings that bind to the equally flat purine or pyrimidine bases of DNA, just as the bases bind or stack with each other in the double helix

TLS Online TPP Program

#Id: 9619

#Unit 4. Cell Communication and Cell Signaling

HER2 (mouse Erb-B2), cannot bind any ligand, it can form a heterodimer with ligand-activated HER1, HER3, or HER4 (Erb-B1, 3, or 4)

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#Id: 5476

#Unit 7. System Physiology – Animal

The synapse between a motoneuron and a muscle fiber is called the neuromuscular junction

TLS Online TPP Program

#Id: 4528

#Unit 11. Evolution and Behavior

There are four known forces that are involved in evolution:

1)mutation,

2) genetic drift

3) gene flow or migration

4) selection.

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#Id: 4745

#Unit 5. Developmental Biology

PKC-3 restricts PAR-1 and PAR-2 to the internal cytoplasm by phosphorylating them.

TLS Online TPP Program

#Id: 7268

#Unit 6. System Physiology – Plant

One way in which rubisco is activated involves the formation of a carbamate– Mg2+ complex on the ε-amino group of a lysine within the active site of the enzyme. Two protons are released. Activation is enhanced by the increase in Mg2+ concentration and higher pH (low H+ concentration) that result from illumination. The CO2 involved in the carbamate–Mg2+ reaction is not the same as the CO2 involved in the carboxylation of ribulose-1,5-bisphosphate.