In L cells, preproglucagon is processed primarily to glicentin, & glucagon-like polypeptides 1 and 2. Some oxyntomodulin is also formed

TLS Online TPP Program

#Id: 2428

#Unit 3. Fundamental Processes

Initiation relies solely upon the interaction between RNA polymerase and duplex DNA, however, the termination event also involves recognition of signals in the transcript by RNA polymerase.

TLS Online TPP Program

#Id: 6163

#Unit 12. Applied Biology

Insect-resistant transgenic crops were first commercialized in the mid-1990s with the introduction of GM corn (maize), potato and cotton plants expressing genes encoding the entomocidal δ-endotoxin from Bacillus thuringiensis.

TLS Online TPP Program

#Id: 7196

#Unit 5. Developmental Biology

Daudi tumor cells, which are unable to synthesize β 2-microglobulin. 

TLS Online TPP Program

#Id: 934

#Unit 5. Developmental Biology

The shoot apical and root apical meristems provide a continuous source of totipotent stem cells for a plant to generate a majority of its aerial and ground tissues throughout life.

TLS Online TPP Program

#Id: 1993

#Unit 3. Fundamental Processes

Phosphorylation on Ser2 by P-TEFb activates elongation, splicing and polyadenylation