A protoplast is best characterized as a bacterial cell______________?
Correct answer: C. Free of a cell wall and a capsule
- A. with a cell wall but free of a capsule
- B. containing a cell wall and a capsule
- C. Free of a cell wall and a capsule
- D. Uniquely sensitive to penicillin
Explanation
A protoplast is a bacterial cell from which the cell wall has been completely removed, as in many Gram-positive bacteria; the capsule is also considered absent in this standard definition. A wall-deficient Gram-negative cell retaining outer membrane is more specifically called a spheroplast.
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