The structure that surrounds the cell membrane of some cells, giving the cell a rigid shape is the cell wall.
Tall parents can have a short child, short parents can have a tall child , and two parents of the same height may have a child in between?
Both flagella and pili are extensions from the bacterial cell body. Flagella are like a whip or a tail while pili are best described as hairlike.A pilus is a hairlike appendage found on the surface of many bacteria.
