In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 

1. micropyle 2. style 

3. ovary 4. stigma 

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#Question id: 1554

#XL - S Microbiology

Which domain of MHC-1 is interact with CD8 cell surface molecule found on TC cells.

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#Question id: 1555

#XL - S Microbiology

which type of amino acid in polypeptide position 9 is favoured interaction which MHC class 1?

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#Question id: 1556

#XL - S Microbiology

Which one of these is not a property of Antigen?

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#Question id: 1557

#XL - S Microbiology

which one of these antibody can cross placenta?

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#Question id: 1558

#XL - S Microbiology

Work of follicular dendritic cells

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#Question id: 1559

#XL - S Microbiology

Which of cytokine is responsible for Class Switch IgM into IgE