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单词 Diderms
释义

Diderms

英语百科

Gram-negative bacteria

Microscopic image of gram-negative Pseudomonas aeruginosa bacteria (pink-red rods)
Gram-negative cell wall structure
Gram-positive and -negative bacteria are differentiated chiefly by their cell wall structure

Gram-negative bacteria are a group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell membranes, which are composed of a thin peptidoglycan cell wall sandwiched between an inner cytoplasmic cell membrane and a bacterial outer membrane.

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更新时间:2025/6/20 1:54:09