The following events occur when a mammalian immune system first encounters a pathogen. Which shows the correct sequence in which they occur?

I.   Pathogen is destroyed.

II.  Lymphocytes secrete antibodies.

III. Antigenic determinants from pathogen bind to antigen receptors on lymphocytes.

 IV.  Lymphocytes specific to antigenic determinants from pathogen become numerous.

V.   Only memory cells remain.

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#Question id: 3678

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following protein can break covalent bonds?

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#Question id: 14503

#Section 1: Engineering Mathematics

If 10 coins are tossed 100 times, how many times would you expect 7 coins to fall head upward ?

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#Question id: 3359

#Section 3: Genetics, Cellular and Molecular Biology

Amount of p allele is 100, amount of q allele is 50 at locus in population at time, after forward mutation their amount will change as following, p become 70 and q become 80. What is amount of change in frequency of q allele?

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#Question id: 27172

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which option is correct for EMBL format?

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#Question id: 1151

#Section 3: Genetics, Cellular and Molecular Biology

Which enzyme plays a role in regulating rhodopsin-induced closing of cation channels?