Answer the following question given this paragraph: 

Some bacteria also have tail-like structures called flagella ( Figure below ). Flagella help bacteria move. As the flagella rotate, they spin the bacteria and propel them forward. It is often said the flagella looks like a tiny whip, propelling the bacteria forward. Though some eukaryotic cells do have a flagella, a flagella in eukaryotes is rare.


Q: What type of cells are flagella rare in?

 Choices:

- intracellular

- cancer.

- synthetic

- eukaryotic

A:
eukaryotic
