Which of the Following are Classified as Gram-Positive and Gram-Negative

Question

Which of the following are classified as gram-positive and gram-negative?
A) Viruses
B) Bacteria
C) Fungi
D) Yeast

Accepted Answer

Gram-positive and gram-negative refer to the cell wall structure of bacteria. Viruses, fungi, and yeast do not have a cell wall structure that can be classified in this way.