The significance of transcription-coupled repair is that it focuses repair enzymes on DNA (genes) being actively transcribed.

TLS Online TPP Program

#Id: 7292

#Unit 6. System Physiology – Plant

C4 leaf has two distinct chloroplast-containing cell types: mesophyll and bundle sheath (or Kranz, German for “wreath”) cells

TLS Online TPP Program

#Id: 9563

#Unit 11. Evolution and Behavior

Theory of recapitulation - Ernst Haeckel

He proposed that the embryonic development of an individual organism (its ontogeny) followed the same path as the evolutionary history of its species (its phylogeny).

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#Id: 9654

#Unit 4. Cell Communication and Cell Signaling

Feedback regulation by MAP Kinase

activated MAP kinase phosphorylates the HER1 on a threonine residue near the juxtamembrane domain. 

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#Id: 3010

#Unit 3. Fundamental Processes

A single-stranded DNA-binding protein is required to maintain the separated strands.

TLS Online TPP Program

#Id: 5448

#Unit 7. System Physiology – Animal

During the refractory periods, excitable cells are incapable of producing normal action potentials