The answer is C. Chitin.

Here's the step by step explanation:

A) Protein: Bacterial cell walls do contain proteins. These proteins can serve various functions, including transport, structure, and enzymatic activity.

B) Polysaccharide: The main component of bacterial cell walls is a polysaccharide called peptidoglycan. This is a complex molecule made of sugars and amino acids.

C) Chitin: Chitin is a polysaccharide found in the cell walls of fungi and the exoskeletons of insects and crustaceans. It is not found in the cell walls of bacteria.

D) Lipid: Lipids are also present in the cell walls of bacteria. They are part of the lipopolysaccharide layer in Gram-negative bacteria, which helps protect the bacteria from the environment and contributes to its pathogenicity.

Question

The answer is C. Chitin.

Here's the step by step explanation:

A) Protein: Bacterial cell walls do contain proteins. These proteins can serve various functions, including transport, structure, and enzymatic activity.

B) Polysaccharide: The main component of bacterial cell walls is a polysaccharide called peptidoglycan. This is a complex molecule made of sugars and amino acids.

C) Chitin: Chitin is a polysaccharide found in the cell walls of fungi and the exoskeletons of insects and crustaceans. It is not found in the cell walls of bacteria.

D) Lipid: Lipids are also present in the cell walls of bacteria. They are part of the lipopolysaccharide layer in Gram-negative bacteria, which helps protect the bacteria from the environment and contributes to its pathogenicity.

Knowee AI · Accepted Answer

The answer is C. Chitin.

Here's the step by step explanation:

A) Protein: Bacterial cell walls do contain proteins. These proteins can serve various functions, including transport, structure, and enzymatic activity.

B) Polysaccharide: The main component of bacterial cell walls is a polysaccharide called peptidoglycan. This is a complex molecule made of sugars and amino acids.

C) Chitin: Chitin is a polysaccharide found in the cell walls of fungi and the exoskeletons of insects and crustaceans. It is not found in the cell walls of bacteria.

D) Lipid: Lipids are also present in the cell walls of bacteria. They are part of the lipopolysaccharide layer in Gram-negative bacteria, which helps protect the bacteria from the environment and contributes to its pathogenicity.

Question 50 Which is absent in the cell wall of bacteria? A Protein B Polysaccharide C Chitin D Lipid

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