The inherent leakiness of the sinus nodal fibers to sodium and calcium ions causes their self-excitation.

TLS Online TPP Program

#Id: 686

#Unit 3. Fundamental Processes

 Shelterin proteins bound at the telomere distinguish telomeres from other DNA ends in the cell prevents telomeres from normal DSBR

TLS Online TPP Program

#Id: 2513

#Unit 13. Methods in Biology

Larger fragment DNA are isolated by using agarose gel while shorter fragment are separated by 3.5% polyacrylamide gels are used to separate DNA in the range 80–1000 nt and 12% gels to resolve fragments of between 20 and 100 nt.

TLS Online TPP Program

#Id: 6694

#Unit 3. Fundamental Processes

Editing involves the transfer of Us into the gap in the message.This process is catalyzed by the enzyme 3’ terminal uridylyl transferase (TUTase).

TLS Online TPP Program

#Id: 8279

#Unit 1. Molecules and their Interaction Relevant to Biology

Charge–charge (ionic) interactions

These interactions occur between the side chains of oppositely charged residues as well as between the NH3+ and COO− groups at the ends of polypeptide.

TLS Online TPP Program

#Id: 3303

#Unit 3. Fundamental Processes

Nucleotide excision repair in E. coli is largely accomplished by four proteins: UvrA, UvrB, UvrC, and UvrD