NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology Diversity in Living World-Five Kingdom Classification Revision (Page 1 of 46)

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Characteristics of Prokaryotes (Kingdom-Monera)

  • Christensen & Dougherty - gave the term ‘prokaryota’ and ‘eukaryota’
  • C. B. Van Neil - Divided the living organisms into prokaryotes and eukaryotes.

Main characteristic of prokaryotes:

  • Cell wall: -

Cell wall of prokaryotes is made up of peptidoglycan (or murein) which is a type of mucopeptide.

The structure of peptidoglycan has two parts

(A) Polysaccharides: - They are made up of glucose, mannose, galactose and amino sugars units.

Amino sugars → N-acetyl glucosamine, N-acetyl mu

… (288 more words) …

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Introduction to eubacteria

History

1. They were first observed in rainy water and later in teeth scum by Leeuwenhoek (1675) and called them “Animalcule”.

This discovery was published in his book “The Secrets of Nature Discovered by Leeuwenhoek”.

2. F. J. Cohn and Ehrenberg first of all coined the name “Bacteria”.

3. Bergey placed bacteria in “Prosophyta group” and wrote a book “Manual of Determinative Microbiology”. This book is known as “Bible of bacterial classification”.

4. Lister developed “culture te

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