zoology microbiology genetics coronavirus pathogenesis bacterial virulence bactria islamic azad university of north tehran leucon ascon leucosolenia spongilla sycon porifera autonomous robot business virtual lawyer artificial intelligence lawyer law protozoa flagellates ciliophora vaccines csp family cold-shock pilot plant qualitative quantitative experiment bobo doll experiment applied science development research helicobacter pylori fur-box iron pho-box pi-specific transporters phosphorus pho regulon fur regulon regulon depolarization slow blockage fast blockage cortical grannule calcium ion polyspermy blockage of polyspermy oocyte structure sperm structure ovum activation sperm activation ovum sperm fertilization crispr/cas system functions anti-crispr system e.coli homologous recombination cas9 crispr gene editing
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