In the phylogenetic trees, numbers represent species, and the same species are shown in both trees. Which two species are represented as sister species in Tree 2 but are not shown as sister species in Tree 1?

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#Question id: 14784

#Unit 13. Methods in Biology

Ten points are marked on a straight line and 11 points are marked on another straight line. If any three points are chosen, what is the probability that it forms a triangle?

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#Question id: 14785

#Unit 13. Methods in Biology

Three machines A, B and C produce identical items of their respective output 5%, 4% and 3% items are faulty. If A produces 25% of the total output, B produces 30% and C the remainder and an item selected at random is found to be faulty, what is the probability that it was produced by machine C?

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#Question id: 14805

#Unit 4. Cell Communication and Cell Signaling

Secondary immune response to a hapten depends on the: 

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#Question id: 14806

#Unit 4. Cell Communication and Cell Signaling

Which is more immunogenic compound ?

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#Question id: 14807

#Unit 4. Cell Communication and Cell Signaling

For the stimulation of B-cell responses, lipids are used as haptens and attached to suitable carrier molecules such as the proteins keyhole limpet hemocyanin (KLH) or bovine serum albumin (BSA). If lipid plus KLH introduce in human body and activate immune system, after one month lipid and KLH injected in same person separately, antibody raised against?

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#Question id: 14808

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is true ?