In males, meiosis is called spermatogenesis because it produces sperm cells. In females, the process is called oogenesis because it produces egg cells, also known as ova. In spermatogenesis, four fully functioning sperm are produced at the end of meiosis. In each round of oogenesis, only one fully functioning egg is formed, and the other three cells produced are non-viable polar bodies.
Check your owner's manual. Regular octane is recommended for most cars. However, some cars with high compression engines, like sports cars and certain luxury cars, need mid-grade or premium gasoline to prevent knocking.ut take note: the recommended gasoline for most cars is regular octane. In fact, in most cases, using a higher octane gasoline than your owner's manual recommends offers absolutely no benefit.
The most common fuels used in race cars these days (2007) are: 1. Leaded and unleaded gasoline. This fuel is used by many types of race cars and octane levels are usually high, meaning 94 and above. Gasoline is used in drag cars, rally cars, stock cars, and even Formula One cars. Gasoline is derived from the distillation of crude oil. 2. This fuel is used by Champ Cars and was formerly used by Indy Cars.