Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question

Transcribed Image Text:**Question 11:**
Gram-negative bacteria have a thick outer membrane and peptidoglycan layer.
**True or False.**
*Explanation:*
This question is about the cell wall structure of Gram-negative bacteria. Unlike Gram-positive bacteria, which have a thick peptidoglycan layer, Gram-negative bacteria have a thin peptidoglycan layer located between the inner cytoplasmic cell membrane and a unique outer membrane. The outer membrane itself is a characteristic feature of Gram-negative bacteria, but it is the peptidoglycan layer that is thinner compared to Gram-positive bacteria.
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