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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 11SQ
Textbook Problem
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_____ in the stomach of a cow release methane.

  1. a. Bacteria
  2. b. Archaea
  3. c. Aerobes
  4. d. Viruses

Summary Introduction

Introduction: Methanogens are the microbes that are capable producing methane. Methane production in the guts of sheep and cattle are widely studied. Major organisms that are involved in the production of the methane in cow’s gut are Archaea. Archaea are the prokaryotes that appear different from the bacteria in structure. Archaea are the normal inhabitants of the cattle gut help in the digestion of food in the stomach.

Explanation of Solution

Reason for the correct answer: Archaea belong to the phylum Euryarcheota, collectively known as the methanogens. They are involved in the production of the byproduct methane as a part of digesting the food in the cattle’s stomach.

Option c. is given as, “Archaea”. Archaea are involved in the production of methane gas in animals.

Hence the correct answer is option b.

Reason for the incorrect answer:

Option a. is given as “Bacteria”. Bacteria are also involved in the production of methane in the cow’s gut. But the principle producers of methane are Archaea.

Hence, option a. is incorrect...

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