Respuesta :

gigi777017

Answer:

flagella are long thin appendages free at one end attached to the cell.

pili are short thick straight hair

Laiba12345

Answer:

i) Flagella are the thin appendages, threads of proteins.

ii) They involve in motility.

iii) Its number and arrangement vary.

Pilli:

i) They are hair like structures.

ii) No involvement in motility.

iii) It attaches to surfaces of bacteria.

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