This mechanism is a key feature of Polycomb repression, which is maintained through successive cell divisions for the life of an organism (~100 years for some vertebrates, 2000 years for a sugar cone pine!)

TLS Online TPP Program

#Id: 8299

#Unit 1. Molecules and their Interaction Relevant to Biology

The Eisenthal and Cornish-Bowden plot at constant v0 and [S0], a plot of V max against Km is linear.

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#Id: 10221

#Unit 6. System Physiology – Plant

KNOX gene expression increases cytokinin levels in the shoot apical meristem by upregulating the cytokinin biosynthetic gene ISOPENTENYL TRANSFERASE7 (IPT7)

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#Id: 7965

#Unit 2. Cellular Organization

Unassembled or misfolded proteins in the ER are often transported back to the cytosol, where they are degraded in the ubiquitin-proteasome pathway

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#Id: 1985

#Unit 3. Fundamental Processes

Binding of the capping enzyme to the TFIIH mediated serine 5–phosphorylated CTD stimulates the activity of the enzyme.

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#Id: 2309

#Unit 3. Fundamental Processes

Comparisons of the sequences of several bacterial sigma factors suggested conserved regions in E. coli s70  that interact directly with promoters DNA-binding regions of the sigma factor fold into independent domains in the protein regions 1.2, 2.3– 2.4, 3.0, and 4.1–4.2.