EBK INQUIRY TO LIFE - ACCESS CARD
EBK INQUIRY TO LIFE - ACCESS CARD
16th Edition
ISBN: 9781260918403
Author: Mader
Publisher: INTER MCG
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Chapter 28, Problem S1.2BYB
Summary Introduction

To discuss:

The domains to which prokaryotes belong.

Introduction:

Prokaryotes are unicellular organisms that lack a well-defined nucleus and other membrane-bound organelles. They comprise the groups Archaea and Eubacteria and are included under Kingdom Monera.

The three-domain system was proposed by Carl Woese and is based on the studies of comparison of rRNA in organisms. Ribosomal RNA or rRNA is a key component of ribosomes and is highly conserved as the rate of mutation is low. Using this system, all organism was classified as Archaea, Bacteria, and Eukarya of which Eukarya is made of 4 kingdoms: Protista, Fungi, Plantae, and Animalia.

Expert Solution & Answer
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Explanation of Solution

The prokaryotes refer to organisms that lack a well-defined nucleus and other membrane-bound organelles. Hence, there are 2 domains in which the prokaryotes are classified: Archaea and Eubacteria, as both lack membrane-bound organelles and a nuclear envelope.

There are additional features present in these 2 domains of prokaryotes that are summarized as follows:

    FeatureArchaeaEubacteria
    An amino acid that initiates translation.Methionine Formyl Methionine
    Introns.Present in some genesAbsent
    Membrane lipids.Branched Unbranched
    RNA polymerases.SeveralOne
    Cell wall peptidoglycan.AbsentPresent
Conclusion

The domains to which prokaryotes belong are Archaea and Eubacteria.

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Chapter 28 Solutions

EBK INQUIRY TO LIFE - ACCESS CARD

Ch. 28.2 - Explain the role of biomolecules in chemical and...Ch. 28.2 - List the four stages of the evolution of life, and...Ch. 28.2 - Compare and contrast the “primordial soup” and the...Ch. 28.2 - Prob. 4CYPCh. 28.3 - List some of the major criteria that are used to...Ch. 28.3 - Prob. 2LOCh. 28.3 - Distinguish between halophiles, thermoacidophiles...Ch. 28.3 - Prob. 1CYPCh. 28.3 - Prob. 2CYPCh. 28.3 - 3. Describe adaptations that allow archaea to...Ch. 28.3 - Prob. 4CYPCh. 28.4 - Identify the major structural features of...Ch. 28.4 - Prob. 2LOCh. 28.4 - Explain why bacteria are considered to be...Ch. 28.4 - List several major bacterial diseases of humans...Ch. 28.4 - Prob. 1QTCCh. 28.4 - Prob. 2QTCCh. 28.4 - Prob. 3QTCCh. 28.4 - 1. Describe the three basic shapes of bacteria. Ch. 28.4 - Explain how bacterial conjugation differs from...Ch. 28.4 - Prob. 3CYPCh. 28.4 - Prob. 4CYPCh. 28.5 - Prob. 1LOCh. 28.5 - Describe the steps in a typical viral reproductive...Ch. 28.5 - Prob. 3LOCh. 28.5 - Prob. 4LOCh. 28.5 - Prob. 1CYPCh. 28.5 - Prob. 2CYPCh. 28.5 - List three viral diseases for which a vaccine is...Ch. 28.5 - Prob. 4CYPCh. 28 - Prob. S1.2BYBCh. 28 - Sections 3.2 What are some basic structural...Ch. 28 - Prob. T27.1BYBCh. 28 - Decomposers Break down dead organic matter in the...Ch. 28 - Prob. 2ACh. 28 - Prob. 3ACh. 28 - Prob. 4ACh. 28 - Prob. 5ACh. 28 - While studying an ancient lake you discover that...Ch. 28 - Prob. 7ACh. 28 - Prob. 8ACh. 28 - Prob. 9ACh. 28 - Prob. 10ACh. 28 - Prob. 11ACh. 28 - 12. The Envelope of an animal virus is usually...Ch. 28 - Prob. 13ACh. 28 - Prob. 1TCCh. 28 - Prob. 2TCCh. 28 - Explain a method by which an antiviral drug could...Ch. 28 - Prob. 4TC
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Prokaryotic vs. Eukaryotic Cells (Updated); Author: Amoeba Sisters;https://www.youtube.com/watch?v=Pxujitlv8wc;License: Standard youtube license