N binds to RNA transcribed from DNA containing a nut sequence. Thus, once RNA polymerase has passed a nut site, N binds to the RNA and from there is loaded on to the polymerase itself. In this state, the polymerase is resistant to the terminators found just beyond the N and cro genes. 

TLS Online TPP Program

#Id: 6451

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 3629

#Unit 3. Fundamental Processes

When several codons encode the same amino acid and utilize multiple tRNAs, not all of the codons are used with equal frequency. In a phenomenon called codon bias.

TLS Online TPP Program

#Id: 8110

#Unit 1. Molecules and their Interaction Relevant to Biology

Archaea membrane lipids are isoprene-based lipids.

TLS Online TPP Program

#Id: 1580

#Unit 4. Cell Communication and Cell Signaling

Delipidation process reduces Wnt signaling, creates a negative feedback mechanism for preventing excessive Wnt signaling.

TLS Online TPP Program

#Id: 3618

#Unit 3. Fundamental Processes

Minimum degenerated probes can be derived from the minimum degenerating area of any protein.