Question

Flagella typically occur ____________________ and exhibit a variety of ________________________________, depending on the cell type.

Answer 1

Flagella are long, hair-like structures that extend from the plasma membrane and are used to move an entire cell. Cilia, on the other hand, are short, hair-like structures that are used to move entire cells or substances along the outer surface of the cell. The arrangement of flagella can vary depending on the cell type.

Step-by-step explanation:

Flagella are long, hair-like structures that extend from the plasma membrane and are used to move an entire cell. When present, a cell has just one flagellum or a few flagella. Cilia, on the other hand, are short, hair-like structures that are used to move entire cells or substances along the outer surface of the cell. The arrangement of flagella can vary depending on the cell type. For example, some bacteria have a singular flagellum at one end of the cell (monotrichous), while others have flagella at both ends (amphitrichous) or in tufts at one end (lophotrichous). Some bacteria also have flagella covering the entire surface of the cell (peritrichous).