Practice Questions

TLS Online TPP Program

#Question id: 1295

What signal is released by endothelial cells to recruit circulating leukocytes?

#4. Cell Communication and Cell Signaling

Vesicle-sequestered P-selectins are moved to the cell surface.
Vesicle-sequestered αLβ2 molecules are moved to the cell surface.
Integrins are cleaved from the plasma membrane so that the extracellular domain can bind leukocytes.
Secreted glycoproteins trigger leukocytes to initiate “rolling” motility.

More Questions

TLS Online TPP Program

#Question id: 11283

#10. Ecological Principles

Herbivore ingests plant material with 1000 k j energy form producer and assimilated only 200 k J energy in their blood stream; additionally herbivore invests 120 k j energy in their maintenance. What is production efficiency of that herbivore?

TLS Online TPP Program

#Question id: 22946

#5. Developmental Biology

FLOWERING LOCUS C (Floral repressor) that is expressed in Leaves and apex, belongs to which, transcription factor family

TLS Online TPP Program

#Question id: 23597

#Aptitude

Introducing a woman, Shashank said, “She is the mother of the only daughter of my son.” How that woman is related to Shashank?

TLS Online TPP Program

#Question id: 20386

#13. Methods in Biology

Within the human population there are millions of single base variations, called