A bag has 13 red, 14 green and 15 black balls. The probability of getting exactly 2 blacks on pulling out 4 balls is P1. Now the number of each colour ball is doubled and 8 balls are pulled out.The probability of getting exactly 4 blacks is P2. Then

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#Question id: 1754

#Part-A Aptitude & General Biotechnology

High affinity B-cell clones in mammals are usually generated by:

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#Question id: 1757

#Part-A Aptitude & General Biotechnology

What is the first event following the production of CH germline transcripts by immunoglobulin genes?

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#Question id: 1759

#Part-A Aptitude & General Biotechnology

What is the major long-term source of a foreign antigen in the body?

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#Question id: 1761

#Part-A Aptitude & General Biotechnology

Which of the following statements is TRUE of cytokines?

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#Question id: 1762

#Part-A Aptitude & General Biotechnology

What do Th1 cells secrete?

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#Question id: 2059

#Part-A Aptitude & General Biotechnology

For a protein to be an integral membrane protein, it would have to be: