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: 6229

#Unit 8. Inheritance Biology

Incomplete dominance

Type of dominance in which the phenotype of the heterozygote is intermediate between the phenotypes of the two homozygotes. 

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: 2819

#Unit 13. Methods in Biology

Ion-exchange chromatography relies on the attraction between oppositely charged stationary phase, known as an ion exchanger, and analyte.

TLS Online TPP Program

#Id: 5428

#Unit 7. System Physiology – Animal

Orthograde transport

moves from the cell body toward the axon terminals 

occurs along microtubules that run along the length of the axon and requires dynein and kinesin

TLS Online TPP Program

#Id: 2031

#Unit 8. Inheritance Biology

Conjugation takes place when genetic material passes directly from one bacterium to another via sex pilus