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 (e.g. Methanococcus jannaschii and Sulfolobus acidocaldarius), whereas others have multiple layers (e.g. Methanospirillum hungatei). Sometimes there can also be a high proportion of tetraether lipids in membranes to make the envelope more resilient
Gram stain or Gram staining, also called Gram's method., is a method of staining used to distinguish a bacterial species in to large groups.gram positive bacteria and gram negative bacteria. The Danish bacteriologist hans christian Gram , who discovered the technique.
Ten ways Qatar is reducing its carbon footprint in the lead-up to the FIFA World CupCompact tournament. No internal flightsGlobal Sustainability Assessment System (GSAS) certification. First fully dismountable FIFA World Cup™ stadium. Recycling at stadiums. Sustainable sourcing. State-of-the-art public transport.