Which one of the following classes is expressed in the unfertilized egg and is involved in directing the spatial organization of the Drosophila embryo early in development?

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#Question id: 14907

#Section 1: Engineering Mathematics

Let f (x) = 2x if x < 2

               = 2 if x = 2

         = x² if x > 2

the discontinuity of f (x) at x = 2 is known as

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#Question id: 3773

#Section 3: Genetics, Cellular and Molecular Biology

DNA contains the template needed to copy itself, but it has no catalytic activity in cells. What catalyzes the formation of phosphodiester bonds between adjacent nucleotides in the DNA polymer being formed during DNA replication?

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#Question id: 3876

#Section 3: Genetics, Cellular and Molecular Biology

Which one of the following is not true of the mRNA for ovalbumin?

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#Question id: 13199

#Section 6: Plant, Animal and Microbial Biotechnology

The non-reducing sugar sucrose is most commonly translocated in the phloem rather than reducing sugar. Why?

a.) because they are less reactive than their reducing counterparts

b.) because sucrose contains more energy than a monosaccharides

c.) because the ketone or aldehyde group is reduced to an alcohol or combined with a similar group on another sugar so as not to be oxidized 

Which one of the following statements is true about translocation of non-reducing sugar?

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#Question id: 5243

#Section 3: Genetics, Cellular and Molecular Biology

Auxotroph culture (His- and Lac-) culture of E. coli was mutagenised. On what media would one spread the mutagenised cells to select prototroph for both His+  and Lac+ cells?