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TLS Online TPP Program

#Question id: 1295

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

#SCPH28 | Zoology

  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: 12918

#SCPH05 I Biotechnology

Name the enzyme which helps in the DNA synthesis in the PCR.
TLS Online TPP Program

#Question id: 388

#SCPH05 I Biotechnology

Calculate the pH of a solution prepared by mixing 2.0 mL of a strong acid solution of pH=3.0 and 3.0 mL of a strong base of pH=10.0.
TLS Online TPP Program

#Question id: 16320

#SCPH28 | Zoology

Time related stress:
TLS Online TPP Program

#Question id: 1703

#I Life Science/ Life Sciences Group – I-V

Which of the following statements is TRUE about an epitope?
TLS Online TPP Program

#Question id: 18680

#SCPH01 Biochemistry

DNA from Salmonella species, when digested with the restriction enzyme Xba I, gives around 15 fragments ranging from 25 kb to 680 kb This pattern of fragments, or ‘fingerprint’, is unique to that strain. If the same fingerprint is found from bacteria from other infected people, then it can be assumed that they were all infected from a common source. Thus, by comparing their eating habits, food sources, etc. the source of the infection can be traced to a restaurant, food item. The fingerprints are created and analysed by