Question

Which of these bacteria lack a cell wall?

• A. Escherichia
• B. Pseudomonas
• C. Mycoplasma
• D. Mycobacterium

Answer 1

Answer:

C. Mycoplasma

• All bacteria have a cell wall covering the cell membrane, except in the genus mycoplasma.

• Since all bacteria are prokaryotic organisms, they do not have a well – defined nucleus.

• The genetic material is naked.