Which of the following statements is true?

a. Gram-positive bacteria have a single cell wall formed from peptidoglycan.

b. Gram-positive bacteria have an outer membrane.

c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin.

d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.

Data in Figure 13.6

Transcribed Image Text:

Cytoplasm Gram-positive bacteria Peptidoglycan cell wall Plasma membrane Membrane Phospholipid protein Gram-negative bacteria Outer membrane Inner membrane