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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 20, Problem 5SQ
Textbook Problem
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Bacteria and archaea reproduce by ___ .

  1. a. binary fission
  2. b. transformation
  3. c. conjugation
  4. d. the lytic pathway

Summary Introduction

Introduction: Bacteria and Archaea are the smaller prokaryotes that reproduce through binary fission (prokaryotic fission). Binary fission is one of the asexual modes of reproduction. Their occurrence is specifically characterized in bacteria and some eukaryotes. It is a process where one cell gets equally distributed into two cells. Therefore, binary fission is not involved in the process of lysing the host cell.

Explanation of Solution

Reason for correct answer: Binary fission is a process that distributes a cell into two equal halves by means of asexual mode of reproduction. Here, the division duplicates its genetic material (DNA) and finally the cell gets separated by the process of cytokinesis.

Option a. is given as “binary fission.”

Prokaryotic cells (bacteria and archaea) undergo division through binary fission. Hence, option a. is correct.

Reasons for incorrect answer:

Option b. is given as “Transformation”. Transformation is a process by which a bacterial cell uptakes the naked DNA from the surrounding and integrates it into own genome. Bacteria and Archaea do not undergo transformation for multiplication.

Hence, option b. is incorrect.

Option c. is given as “conjugation.” The process of transfer of plasmids between the cells is called as conjugation...

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