Question

diphtheriae and pyogenes are gram-positive bacteria that have toxic properties due to proteins on their cell walls.

Answer 1

Corynebacterium diphtheriae and Streptococcus pyogenes are gram-positive bacteria that have toxic properties due to proteins on their cell walls.

Gram positive Bacteria- The color that gram-positive microbes acquire when stained is used to identify them. Hans Christian Gram created the staining method in 1884. The crystal violet dye employed in the staining procedure is retained by the thick peptidoglycan cell wall seen in gram-positive organisms.

Peptidoglycan- The cytoplasmic membrane of the majority of bacterial species is covered in a dense substance known as peptidoglycan. It protects bacterial cells from environmental stress and aids in maintaining cell shape throughout the life cycle. Peptidoglycan synthesis plays a crucial part in regulating bacterial cell cycle.

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------------diphtheriae and -------------pyogenes are gram-positive bacteria that have toxic properties due to proteins on their cell walls.

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