Trp operon is negatively regulated by two ways

1. Repression

2. Attenuation

Why is this extra control of two layers on trp operon needed? 

TLS Online TPP Program

#Id: 930

#Unit 5. Developmental Biology

Stem cells are sometimes referred to as “undifferentiated” due to this maintenance of proliferative properties.

TLS Online TPP Program

#Id: 6023

#Unit 3. Fundamental Processes

DNA Pol a/ primase and DNA Pol d (which primarily act on the lagging strand) are only recruited after DNA unwinding.

TLS Online TPP Program

#Id: 7048

#Unit 11. Evolution and Behavior

Theory of recapitulation - Ernst Haeckel

TLS Online TPP Program

#Id: 1477

#Unit 4. Cell Communication and Cell Signaling

Overexpression of anti-apoptotic genes or loss of proapoptotic genes promotes tumorigenesis. The pro-apoptotic gene p53 is frequently mutated in cancers.

TLS Online TPP Program

#Id: 2782

#Unit 13. Methods in Biology

The retention time tR for each analyte has two components

 i - dead time, tM. &

ii - adjusted retention time, t’R.