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.

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TLS Online TPP Program

#Question id: 12035

#7. System Physiology – Animal

When the digestion and absorption of organic carbohydrates results in more energy-rich molecules than are immediately required by an animal, the excess is ________.

TLS Online TPP Program

#Question id: 19789

#13. Methods in Biology

How to determine the size of PCR product?

TLS Online TPP Program

#Question id: 2934

#2. Cellular Organization

Cyclin D/Cdk4 functions during:

TLS Online TPP Program

#Question id: 5564

#5. Developmental Biology

At the moment of sperm penetration, human eggs ________.

TLS Online TPP Program

#Question id: 21243

#7. System Physiology – Animal

A 62-year-old Caucasian woman experienced a rapid onset of blurry vision along with loss of central vision. A comprehensive eye exam showed that she had wet age-related macular degeneration. The fovea of the eye