The cytosolic domain of RTKs contains an intrinsic protein tyrosine kinase domain.

TLS Online TPP Program

#Id: 2542

#Unit 13. Methods in Biology

The partially hybridized primers may become extended by the DNA polymerase and are amplified; sometimes this may monopolize the PCR .

TLS Online TPP Program

#Id: 1396

#Unit 4. Cell Communication and Cell Signaling

All small GTPases of the Ras superfamily, Cdc42, Rac, and Rho act as molecular switches, inactive in the GDP-bound state and active in the GTP-bound state.

TLS Online TPP Program

#Id: 6660

#Unit 3. Fundamental Processes

The sequence AAUAAA is a signal for cleavage to generate a 3’ end of mRNA that is polyadenylated. Addition of poly(A) to nuclear RNA can be prevented by the analog 3’–deoxyadenosine known as cordycepin

TLS Online TPP Program

#Id: 2757

#Unit 13. Methods in Biology

Linkers have the following two applications: creation of cohesive 'ends

on blunt~ended DNA fragments, and 

on fragments having unmatched or undefined sequences in their protruding ends. 

TLS Online TPP Program

#Id: 6947

#Unit 8. Inheritance Biology

Dicentric bridge - Structure produced when the two centromeres of a dicentric chromatid are pulled toward opposite poles