Populations of some species are prone to extinction for two reasons

1. The landscapes they live in are patchy (making dispersal between populations difficult).

2. Environmental conditions often change in a rapid and unpredictable manner.

TLS Online TPP Program

#Id: 8130

#XL - T Zoology

TLS Online TPP Program

#Id: 8142

#XL - Q Biochemistry

Retrograde transport

COPI vesicles = cis-Golgi to ER

TLS Online TPP Program

#Id: 9639

#XL - T Zoology

GRB2 has- 

Phosphotyrosine-binding SH2 domain

Two SH3 domains, bind to Sos

TLS Online TPP Program

#Id: 8619

#XL - R Botany

INK4s

bind to CDK4 and CDK6 monomers, blocking their interaction with cyclin D

TLS Online TPP Program

#Id: 333

#XL - R Botany

Fructose 2,6-bisphosphate binds to its allosteric site on PFK-1, it increases the enzyme’s affinity for its substrate fructose 6-phosphate and reduces its affinity for the allosteric inhibitors ATP and citrate