Actin can reversibly assemble into filaments that consist of two helices of actin subunits

TLS Online TPP Program

#Id: 4795

#Unit 13. Methods in Biology

Median for ungrouped data:

Median = [(n+1)/2]th observation, if n is odd.

Median = mean of (n/2)th observation and [(n/2)+1]th observation, if n is even.

TLS Online TPP Program

#Id: 1374

#Unit 4. Cell Communication and Cell Signaling

Erythropoietin,

• secreted by kidney cells

• promotes proliferation and differentiation of erythroid progenitor cells in the bone marrow to increase the number of mature red cells in the blood

TLS Online TPP Program

#Id: 5285

#Unit 7. System Physiology – Animal

Increase in intracellular cAMP facilitates the opening of L channels, increasing ICa and the rapidity of the depolarization phase of the impulse.

TLS Online TPP Program

#Id: 1252

#Unit 7. System Physiology – Animal

ADH and oxytocin are homologous nonapeptides

TLS Online TPP Program

#Id: 9368

#Unit 4. Cell Communication and Cell Signaling

Smad4 was originally called DPC (deleted in pancreatic cancer)