TLS Online TPP Program

#Id: 7491

#Unit 4. Cell Communication and Cell Signaling

Non - templated N nucleotide addition in heavy chains results from TdT activity. 

TLS Online TPP Program

#Id: 4452

#Unit 13. Methods in Biology

Thicker sections must be fixed, dehydrated, embedded in plastic, sectioned, and then stained with electron dense heavy metals for TEM.

TLS Online TPP Program

#Id: 2309

#Unit 3. Fundamental Processes

Comparisons of the sequences of several bacterial sigma factors suggested conserved regions in E. coli s70  that interact directly with promoters DNA-binding regions of the sigma factor fold into independent domains in the protein regions 1.2, 2.3– 2.4, 3.0, and 4.1–4.2.

TLS Online TPP Program

#Id: 4947

#Unit 6. System Physiology – Plant

Expression of the other phytochrome types (B to E in angiosperms) is independent of light and both Pr and Pfr forms are stable.

TLS Online TPP Program

#Id: 508

#Unit 2. Cellular Organization

Is expression for a second-order rate process of renaturation