Human sperm are allowed to fertilize ova having non- functional ovastacin. The following possibilities may be of significance in the fusion of these gametes:

A.        The sperms will not fertilize ova.

B.        The sperms will bind and penetrate the zona pellucida but will not be able to fuse with ovum membrane.

C.        ZP2 will not be clipped by cortical granule protease.

D.        CD9 protein of egg membrane microvilli will not be able to interact sperm membrane proteins in the absence of ovastacin.

E.         Polyspermy may occur frequently.

Which combination of statements represent the outcome of the above event?

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#Question id: 27381

#Unit 1. Molecules and their Interaction Relevant to Biology

Size of atom or atomic radii can be estimated by

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#Question id: 1620

#Unit 4. Cell Communication and Cell Signaling

Natural killer (NK) cells do NOT:

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#Question id: 28060

#Unit 1. Molecules and their Interaction Relevant to Biology

The peptide bond in proteins is 

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#Question id: 26353

#Unit 2. Cellular Organization

Clock position of amino terminal tail of amino acid is fixed, so which of the following is correctly showing the position of H2B

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#Question id: 5578

#Unit 5. Developmental Biology

The phase change of an apical meristem from the juvenile to the mature vegetative phase is often revealed by ________.