G modification. The figure shows specific sites on guanine that are vulnerable to damage by chemical treatment, such as alkylation or oxidation, and by radiation.

TLS Online TPP Program

#Id: 8191

#Unit 2. Cellular Organization

PTS1 signals are recognized by the peroxin Pex5 receptor

PTS2 signals are recognized by the peroxin Pex7 receptor

Neither targeting sequence is cleaved after import.

TLS Online TPP Program

#Id: 3859

#Unit 5. Developmental Biology

The binding of ammonia to the sensor domain of DhkC leads to the activation of its histidine kinase activity and to the autophosphorylation of a DhkC histidine residue.

TLS Online TPP Program

#Id: 10527

#Unit 4. Cell Communication and Cell Signaling

By scramblase, appearance of phosphatidylserine on the outer surface, act as “eat me” signal

TLS Online TPP Program

#Id: 2874

#Unit 13. Methods in Biology

The Beer–Lambert law is valid for low concentrations only.

TLS Online TPP Program

#Id: 8276

#Unit 1. Molecules and their Interaction Relevant to Biology