Evolution means descent with modification, or change in the form, physiology, and behavior of organisms over many generations of time. 

TLS Online TPP Program

#Id: 8166

#XL - Q Biochemistry

CFTR protein contains

a di-acidic sorting signal that binds to the Sec24 subunit

of the COPII vesicle coat and is necessary for transport of

the CFTR protein out of the ER.

TLS Online TPP Program

#Id: 9966

#XL - T Zoology

Central player in the canonical Wnt pathway is β-catenin

TLS Online TPP Program

#Id: 9642

#XL - T Zoology

In unstimulated cells, 

Raf is phosphorylated by several cytosolic kinases on two sites:

1. Serine/threonine kinase domain 

2. N-terminal autoinhibitory domain

TLS Online TPP Program

#Id: 9666

#XL - T Zoology

PI-3 kinase adds a phosphate to the 3′ carbon in one of two separate PI substrates, leading to formation of two PI 3-phosphates: PI(3,4)P2 or PI(3,4,5)P3

TLS Online TPP Program

#Id: 8897

#XL - T Zoology

Sensing mechanism used by cells to detect incorrect chromosome attachments is based on tension.