Tumor cells secrete a protein plasminogen activator that converts the serum protein plasminogen to the active protease plasmin.

TLS Online TPP Program

#Id: 6799

#Unit 3. Fundamental Processes

The action of Dicer generates the short RNA molecule that will determine what target RNA is acted upon. The active form of the regulatory RNA is the single-strand form—at this stage called the guide RNA—incorporated into a RISC protein complex.

TLS Online TPP Program

#Id: 7423

#Unit 5. Developmental Biology

Dictyostelia (social amoebas) solitary haploid amoebae live on decaying logs, eating bacteria and reproducing by binary fission.

TLS Online TPP Program

#Id: 2881

#Unit 13. Methods in Biology

In electrophoresis because of the varying charges and masses, of different molecules

and particles of a mixture will migrate at different velocities under uniform force and

will thus be separated into single fractions.

TLS Online TPP Program

#Id: 2318

#Unit 3. Fundamental Processes

Major U2-type or GU-AG introns

TLS Online TPP Program

#Id: 3206

#Unit 3. Fundamental Processes

Photoreactivation is a nonmutagenic repair system that acts specifically on pyrimidine dimers