Each sperm cell, or spermatozoon, is small and motile. The spermatozoon has a flagellum, which is a tail-shaped structure that allows the cell to propel and move. In contrast, each egg cell ...

Sperm cell adaptations include: A tail allowing it to swim through the ... Scientists worked out the structure of DNA in the 1950s. In 1951 Maurice Wilkins and Rosalind Franklin, both working ...

Next, the mitochondrial structure in the sperm's tail is broken down ... Furthermore, just as happens inside immune cells that target microbes, LAP's final step in the egg involves the recruitment ...

Spermiogenesis: The process of sperm cell development from spermatogonia to mature spermatozoa. Ultrastructure: The detailed structure of a biological specimen that can be observed at the ...