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TLS Online TPP Program

#Question id: 1994

Phagocytosis of microbes by macrophages is enhanced by which of the following?

#Unit 4. Cell Communication and Cell Signaling

  1. the binding of antibodies to the surface of microbes.

  2. antibody-mediated agglutination of microbes.

  3. the release of cytokines by activated B cells.

  4. A and B only

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TLS Online TPP Program

#Question id: 29079

#Unit 10. Ecological Principles

You observed the two species of barnacles, P. aurelia and P. caudatum, occupy upper and lower strata of intertidal rocks, respectively. Only when P. caudatum was removed by you from the lowers strata, P. aurelia could occupy both the upper and lower strata. From the choice given below what would be your inference from these observations.
TLS Online TPP Program

#Question id: 10270

#Unit 8. Inheritance Biology

Mendel crossed tall pea plants with dwarf ones. The F1 plants were all tall. When these F1 plants were selfed to produce F2 generation, he got a 3: 1 tall to dwarf ratio in the offspring. What is the probability that out of three plants (of F2 generation) picked up at random all three would be dwarf?
TLS Online TPP Program

#Question id: 18833

#Unit 13. Methods in Biology

The PCR procedure, where Taq polymerase is added after the rest of the PCR components are heated to the  DNA melting temperature, so as to avoid non-specific amplification at lower temperatures is
TLS Online TPP Program

#Question id: 1971

#Unit 4. Cell Communication and Cell Signaling

If a newborn were accidentally given a drug that destroyed the thymus, what would most likely happen?
TLS Online TPP Program

#Question id: 1451

#Unit 4. Cell Communication and Cell Signaling

Burkitt’s lymphoma results from the overproduction of: