Which of cytokine is responsible for Class Switch IgM into IgE

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#Question id: 16496

#Unit 12. Applied Biology

Neomycin phosphotransferase  gene is used as a selectable marker. It provides resistence against which antibiotic ?

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#Question id: 12039

#Unit 7. System Physiology – Animal

Which of the following food substances requires chewing for digestion?

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#Question id: 826

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one is incorrect about the proteins with segments rich in Pro (P), Glu (E), Ser (S), and Thr (T), the so-called PEST proteins,

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#Question id: 28479

#Unit 5. Developmental Biology

which of the following transcription factors involve to downregulates the Oct4 and Nanog? 

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#Question id: 719

#Unit 1. Molecules and their Interaction Relevant to Biology

Suppose that a 40-residue segment of a protein folds into a two-stranded antiparallel β structure with a 4-residue hairpin turn. What is the longest dimension of this motif?