B. glycolysis occurs in both prokaryotic cells and eukaryotic cells.
In spermatogenesis,from a single spermatogonia 4 haploid sperms are produced after meiosis (100% efficiency).But in case of oogenesis,from a single oocyte only one is transformed into ovum even after meiotic division(25% efficiency)
B
Because insulin can trigger liver to convert glucose in blood to glycogen.