CMF stimulates gene expression in parallel with PSF, and both signals potentiate cAMP signalling by inducing genes involved in cAMP synthesis and detection

TLS Online TPP Program

#Id: 3777

#Unit 1. Molecules and their Interaction Relevant to Biology

The diameter of the nucleus is in the range of 1.75 fm (1.75 × 10⁻¹⁵m) for hydrogen.

TLS Online TPP Program

#Id: 6397

#Unit 2. Cellular Organization

Why is this extra control of two layers on trp operon needed?  The answer probably lies in the fact that repression of the trp operon is weak—much weaker.

TLS Online TPP Program

#Id: 775

#Unit 3. Fundamental Processes

The sigma cycle. RNA polymerase binds to the promoter causing local melting of the DNA. As the polymerase moves elongating the RNA, the s-factor dissociates and joins with a new core polymerase to initiate another RNA chain.

TLS Online TPP Program

#Id: 3702

#Unit 2. Cellular Organization

The proportion of DNA containing protein-coding genes being expressed in a specific cell at a specific time can be determined by the amount of the DNA that can hybridize with the mRNAs isolated from that cell called as RoT analysis

TLS Online TPP Program

#Id: 9911

#Unit 4. Cell Communication and Cell Signaling

Arachidonic acid and some eicosanoid derivatives