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TLS Online TPP Program

#Question id: 1295

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

#Unit 4. Cell Communication and Cell Signaling

  1. Vesicle-sequestered P-selectins are moved to the cell surface.

  2. Vesicle-sequestered αLβ2 molecules are moved to the cell surface.

  3. Integrins are cleaved from the plasma membrane so that the extracellular domain can bind leukocytes.

  4. Secreted glycoproteins trigger leukocytes to initiate “rolling” motility.

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TLS Online TPP Program

#Question id: 16390

#Unit 7. System Physiology – Animal

What is the effect of aldosterone on blood pressure during stress?
TLS Online TPP Program

#Question id: 413

#Unit 1. Molecules and their Interaction Relevant to Biology

The hydrolysis of ATP has a large negative DG'°; nevertheless it is stable in solution due to:
TLS Online TPP Program

#Question id: 23598

#General Aptitude

If A + B means B is the brother of A; A ×B means B is the husband of A; A −B means A is the mother of B and A%B means A is the father of B, which of the following relations shows that Q is the grandmother of T?
TLS Online TPP Program

#Question id: 1000

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which of the following is (are) true of the B oxidation of long-chain fatty acids?

1. The enzyme complex that catalyzes the reaction contains biotin.

2. FADH2 serves as an electron carrier.

3. NADH serves as an electron carrier.

4. Oxidation of an 18-carbon fatty acid produces six molecules of propionyl-CoA.

5. Oxidation of a 15-carbon fatty acid produces at least one propionyl-CoA.
TLS Online TPP Program

#Question id: 10506

#Unit 6. System Physiology – Plant

Plant growth promoting rhizobacteria (PGPRs) such as Pseudomonas aeruginosa, that alleviate plant abiotic or biotic stress in soil by releasing of