Answered: Discuss the traits of the Bacteria and…

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter1: Invitation To Biology

Section: Chapter Questions

Problem 11SQ: Bacteria, Archaea, and Eukarya are three _____.

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Discuss the traits of the Bacteria and Archaea.

Expert Solution

Traits which are different between Bacteria and Archaea share are :

cell wall lining of bacteria contains proteoglycan whereas cell wall lining of archaea lack proteoglycan.
bacteria produce membrane lipids consisting of fatty acids linked by ester bonds to a molecule of glycerol where as archaea have ester bonds connecting fatty acids to form glycerol.
bacteria contain simple RNA polymerase consisting of 4 polypeptides whereas archaea contains multiple RNA polymerases containing more than 8 polypeptides.
bacteria has an transfer RNA that has a modified methionine whereas archaea has an transfer RNA without a modified methionine.
bacteria can form spores that lie dormant for years till proper habitate is found whereas such type of spore formation is absent in archaea.
antibiotic sensitivity is more for bacteria but absent for archaea.
bacteria share harmful and helpful relationship with humans but archaea does not share any harmful relationship with humans.

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