One mapping is selected at random from all the mappings from the set S = {1,2,3,...n} into itself. The probability that the selected mapping is one to one is

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#Question id: 18639

#SCPH05 I Biotechnology

Which one of the following techniques is used for the evaluation of phylogenetic trees? 

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#Question id: 5051

#SCPH01 Biochemistry

fter the 8-cell stage, the mammalian embryo develops an outer layer (which becomes the fetal portion of the placenta), and an inner cell mass that generates all the cells of embryo. The cells of the inner cell mass are thus said to be-

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#Question id: 11379

#SCPH28 | Zoology

Which of the following is NOT a prediction arising out of Wilson-MacArthur's -Theory of Island Biogeography?

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#Question id: 5244

#SCPH05 I Biotechnology

Transformation can used to map bacterial gene, which of the following statement is correct?

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#Question id: 4337

#SCPH01 Biochemistry

Which of the following conditions is most likely to cause the lactose operon to be transcribed?