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Bacterial Cell Wall

Bacterial Cell Wall Like this video? Sign up now on our website at https://www.DrNajeebLectures.com to access 800+ Exclusive videos on Basic Medical Sciences & Clinical Medicine. These are premium videos (NOT FROM YOUTUBE). All these videos come with English subtitles & download options. Sign up now! Get Lifetime Access for a one-time payment of $99 ONLY! Sign up now on our website at https://members.drnajeeblectures.com/ --------------------------------------------------------------------------------------------------------------------------- Why sign up for premium membership? Here's why! Membership Features for premium website members. 1. More than 800+ Medical Lectures. 2. Basic Medical Sciences & Clinical Medicine. 3. Mobile-friendly interface with android and iOS apps. 4. English subtitles and new videos every week. 5. Download option for offline video playback. 6. Fanatic customer support and that's 24/7. 7. Fast video playback option to learn faster. 8. Trusted by over 2M+ students in 190 countries. --------------------------------------------------------------------------------------------------------------------------- ▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬ 00:00:00 A structure forming a layer external to the plasma membrane. It controls the shape of the bacterium and serves as a permeability barrier. In some species a capsule may be formed external to the cell wall. The walls of Gram-positive bacteria are 30–100 nm thick and appear homogeneous. They are composed mainly of peptidoglycans. Gram-negative cell walls are thinner (20–30 nm) and are layered. The inner layer (adjacent to the plasma membrane) contains peptidoglycans. The outer layer contains peptidoglycans cross-linked to lipoproteins. Certain bacteria lack cell walls. See Gram-staining procedure, Mycoplasma, peptidoglycan. --------------------------------------------------------------------------------------------------------------------------- Join this channel to get access to the perks: Sign up now on our website at https://members.drnajeeblectures.com/ Follow us on Facebook:-   / drnajeeb   Follow us on Instagram:-   / drnajeeblectures