Question

Is eubacteria gram-positive or negative?

Answer 1

Eubacteria:

1. Eubacteria are also said to be as “true bacteria”.
2. Their cell wall is rigid due to the presence of peptidoglycans.
3. It does locomotion with the help of flagella.
4. They are divided into two categories; gram-positive and gram-negative, depending entirely upon the nature of the cell wall and the stain they take in.
5. Gram-positive: The cell envelope of gram-positive bacteria comprises of the cell wall, cytoplasmic membrane and capsule.
6. If the bacteria stays purple, they are gram-positive.
7. Gram-negative: The cell envelope of gram-negative bacteria generally comprises cell wall, cytoplasmic membrane, outer membrane, periplasmic space and the capsule.
8. If the bacteria turns pink or red, they are gram-negative.