Ecotypes, individuals of a species that vary in external appearance and their variations are genetically fixed and irreversible The individuals of a species growing under different environmental conditions differ in external appearance, but these changes are only temporary, not permanent, and hence reversible Ecads (Ecophenes). 

TLS Online TPP Program

#Id: 9612

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 1229

#Unit 7. System Physiology – Animal

PTH actions on the kidney:

1.  Inhibits phosphate reabsorption

2.  Stimulates Ca2+ reabsorption

TLS Online TPP Program

#Id: 2729

#Unit 12. Applied Biology

 Golden rice

The transgenic rice, popularly called "golden rice" contains good quantities of carotene, which gives the grains a golden colour. In one transgenic line, the β-carotene content was as high as 85% of the total carotenoids present in the grain.

TLS Online TPP Program

#Id: 763

#Unit 3. Fundamental Processes

The transition from the closed to the open complex involves “melting” between positions –11 and +2, with respect to the transcription start site.

TLS Online TPP Program

#Id: 10091

#Unit 4. Cell Communication and Cell Signaling

Outside-in signaling

Binding of integrins to their ligands induces conformational changes in their cytoplasmic domains, directly or indirectly altering their interactions with cytoplasmic proteins