#Question id: 6952
#XL - T Zoology
Which technique is commonly used for gene knock-out in mice?
#Question id: 1744
#XL - Q Biochemistry
Which of the following events occurs earliest in T-cell signaling?
#Question id: 5685
#XL - R Botany
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?
#Question id: 14092
#XL - R Botany
#Question id: 15180
#XL - S Microbiology