Mitochondria (1) Definition: (Gk – mito = thread ; chondrion = granule) Mitochondria are semi autonomous having hollow sac like structures present in all eukaryotes except mature RBCs of mammals...
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What is Double Fertilization? It is a type of reproduction observed in angiosperms in which the male gamete fertilizes the egg and polar nuclei of the female embryo sac. As double fertilization( one male...
QUESTION:There are 12 intermediate stations between two places A and B. Find the number of ways in which a train can be made to stop at 4 of these intermediate stations so that no two stopping stations...