SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chitin
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Cellulose
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Peptidoglycan
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Glucose
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Detailed explanation-1: -The cell wall of eubacteria is made up of peptidoglycan while in some eukaryotes like fungi, the cell wall is made of chitin and in plants it is cellulosic. The nucleus of eubacteria is not restricted by any membrane. It is named nucleoid whilst in eukaryotes it is surrounded by a double-membrane envelope.
Detailed explanation-2: -Like Eubacteria, Archaea contain a cell wall composed of various polysaccharides and glycoconjugates.
Detailed explanation-3: -Peptidoglycan (murein) is an essential and specific component of the bacterial cell wall found on the outside of the cytoplasmic membrane of almost all bacteria (Rogers et al., 1980; Park, 1996; Nanninga, 1998; Mengin-Lecreulx & Lemaitre, 2005).
Detailed explanation-4: -However, eubacteria have other defining characteristics. For example, virtually all have cell walls containing peptidoglycan, and their membrane lipids contain fatty acids in ester linkage to glycerol, whereas archaebacteria lack peptidoglycan and have ether-linked lipids.