Question

which of the following terms describes a bacterial cell that is variable in shape and lacks a single characteristic form? bacillus coccus spirillum pleomorphic

Explanation:

• Bacillus refers to rod-shaped bacteria, with a fixed shape.
• Coccus refers to spherical-shaped bacteria, with a fixed shape.
• Spirillum refers to spiral-shaped bacteria, with a fixed shape.
• Pleomorphic specifically describes bacteria that have variable, non-uniform shapes with no single characteristic form, matching the question's description.

Answer:

D. Pleomorphic