The lac operon has three paradoxes

1-If the operon is in a repressed state, how does the inducer enter the cell to start the process of induction

2- If the operon is in a repressed state, how Repressor is removed with allolactose 

3- How is allolactose synthesized in Repressed state Answer is Leaky Expression

TLS Online TPP Program

#Id: 3723

#Unit 10. Ecological Principles

Species richness - which is a count of the number of species.

TLS Online TPP Program

#Id: 7299

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 10547

#Unit 4. Cell Communication and Cell Signaling

Apoptosis of mammalian cells is activated by either: Intrinsic signaling pathways

Extrinsic signaling pathways

TLS Online TPP Program

#Id: 3499

#Unit 12. Applied Biology

Release of phenolic compounds from the cut surfaces of explants causes browning of tissue culture medium.

TLS Online TPP Program

#Id: 10535

#Unit 4. Cell Communication and Cell Signaling

Neurotrophins:

NGF 

Brain derived neurotrophic factor 

Neurotrophin-3 (NT-3)