P-TEFb activates elongation, splicing and polyadenylation and phosphorylates

  Serine 2 CTD

  TAT-SF1

  SPT5

TLS Online TPP Program

#Id: 8959

#Unit 11. Evolution and Behavior

Intimacy between the genomes of the mitochondria and the nucleus within a cell, it may not be surprising that extensive HGT has occurred between them

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#Id: 9532

#Unit 6. System Physiology – Plant

Pathogen genome sequencing (NGS & GBS) enables definition of the complete repertoire of predicted genes for a plant pathogenic species

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#Id: 524

#Unit 2. Cellular Organization

Erwin Chargaff gave four “rules,” known as parity rule for duplex DNA.

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#Id: 7595

#Unit 5. Developmental Biology

Chemotactic compounds hormone Progesterone,  made by the cumulus cells, might trigger the release of Protein kinase A from the sperm cell membrane, & allowing it to activate the sperm-specific cation CatSper channels would facilitate the transfer of calcium ions into the sperm, where they would cause exocytosis of the acrosome

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#Id: 2194

#Unit 10. Ecological Principles

Facilitation may be important in early seral stages and inhibition important in later ones or vice versa.