Question

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question 39
which term is not used to describe bacterial cell shape?
a bacillus
b coccus
c vibrio
d spirochete
e tetrad

Explanation:

Bacillus is rod - shaped, coccus is spherical, vibrio is comma - shaped, and spirochete is spiral - shaped. Tetrad refers to a group of four cocci arranged in a square, not a single cell shape.

Answer:

E. Tetrad