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: 19696

#Unit 13. Methods in Biology

Different leads are used to record ECG of humans. Which of the following connection shows in recording limb lead I?

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#Question id: 19075

#Unit 6. System Physiology – Plant

Which of the following is the incorrect about effector trigger immunity?

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#Question id: 27492

#Unit 1. Molecules and their Interaction Relevant to Biology

The difference in the specific rotation of plane-polarized light due to the change in the equilibrium between two anomers in the solution is known as

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#Question id: 12389

#Unit 7. System Physiology – Animal

In a patient with very high levels of aldosterone and otherwise normal kidney function, approximately what percentage of the filtered load of sodium would be reabsorbed by the distal convoluted tubule and collecting duct?

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#Question id: 5689

#Unit 8. Inheritance Biology

What kind of aneuploidy gamete will be generated if meiotic nondisjuction in second division (n represent haploid number of chromosome )