RAS is connected to the membrane by a prenylated (lipid) tail.

TLS Online TPP Program

#Id: 9631

#XL - T Zoology

Monomeric Ras protein 

(∼170 amino acids) belongs to the GTPase superfamily of

intracellular switch proteins

TLS Online TPP Program

#Id: 9102

#XL - T Zoology

NO diffuses locally through tissues and activates an

intracellular NO receptor with guanylyl cyclase

activity in nearby smooth muscle cells

TLS Online TPP Program

#Id: 8329

#XL - Q Biochemistry

Treadmilling

Because the critical concentrations for the two ends are different, at steady state the free ATP–G-actin will be intermediate between Cc+ and Cc - , so the (+)end will grow and the (-)end will lose subunits.

TLS Online TPP Program

#Id: 8286

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 2182

#XL - T Zoology

Change in environmental condition is not necessary for natural selection.