The entire cell wall of prokaryotes is often regarded as a single huge molecule or
complex is called
A) Murein
C) Sacculus
B) Peptidoglycan
D) All
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Answer:
C) Sacculus
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Option B) Peptidoglycan
The entire cell wall of prokaryotes is often regarded as a single huge molecule or complex is called Peptidoglycan.
- The primary component of the bacterial cell wall is peptididoglycan (murein). The cytoplasmic membrane is encircled by the peptidoglycan layer that gives the cell its form.
- Most bacteria have peptidoglycan, a polymer of linked sugars and polypeptides, in their cell walls. Peptidoglycan is unique in that it contains D-amino acids in addition to L-amino acids, which are typically utilised to form proteins ("mirror images" of the L-amino acids).
- Peptidoglycan is a component of the cell wall that gives it structure. Pili, flagella, and capsules are just a few of the distinctive structures seen in bacteria. They also have plasmids, which are extrachromosomal DNA.
- Peptidoglycan (bacteria) or pseudopeptidoglycan may make up the walls of prokaryotic cells (archaea). A thick peptidoglycan layer distinguishes gram-positive bacterial cells from gram-negative bacteria, which have a thin peptidoglycan layer and an outer membrane.
- A lipopolysaccharide-containing outer membrane surrounds the peptidoglycan cell wall that encases gram-negative bacteria. In contrast to Gram-negative bacteria, which have an outer membrane, gram-positive bacteria have layers of peptidoglycan that are many times thicker.
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