Why are there no gram-positive archaea species, but there are gram-positive bacteria species?

Biology

2 answers:

pshichka [43]2 years ago

6 0

ANSWER:

The correct option is: A. "Archaea lack peptidoglycan" in the walls of the cell. Peptidoglycan is a polymer of sugar and amino acids which forms a layer around the "plasma membrane" of bacteria.

EXPLANATION:

This however does not mean that archaea lack cell wall. Archaea have cell walls that are similar to gram negative bacterial cell walls.

Archaea are species that give a negative response to gran staining technique. Therefore, there are no gram positive archaea species. The cells walls in archaea may be of several different types of cell walls.

Georgia [21]2 years ago

3 0

Answer: A

Explanation: Archaea possess a broader range of cell envelope structural formats than eubacteria and their cell walls do not contain peptidoglycan. Some archaea have only a single S-layer as their cell wall whereas others have multiple layers.

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3. What is peptidoglycan?

Dvinal [7]

Answer:

A combination of polypeptides and modified sugars that enclose the entire eubacteria.

Explanation:

A component of bacterial cell walls called peptidoglycan (PGN) promotes innate immune responses. Peptidoglycan, a polymer made of sugars and amino acids, creates the cell wall of the majority of bacteria by producing a layer that resembles a mesh outside the plasma membrane. N-acetylglucosamine and N-acetylmuramic acid residues are alternated in the sugar component. forms a saccules in the cell wall of most bacteria that resembles a bag. It controls bacterial cell shape and is crucial for osmotic stability. A heteropolymer made up of glycan strands carrying small peptides is known as a peptidoglycan.