Introduction:
Bacteria and the archaea are the domain of the prokaryotic organisms. They are microscopic and lack true membrane bound nucleus and other organelles.
Answer to Problem 4A
Option (A).
Explanation of Solution
Explanation for correct answer:
Option (A) Cyanobacteria. The cyanobacteria are eubacteria. They have a peptidoglycan cell wall that is characteristic of bacteria, not archaea. Hence, it is the correct answer.
Explanation for incorrect answer:
Option (B) methanogens. The methanogens belong to archaea. The domain archaea have organism that can live in extremely high conditions and are specialized to produced different byproducts. Methanogens produces methane as byproduct. Hence, it is an incorrect answer.
Option (C) halophilic bacteria. The halophilic bacteria or the halophiles belong to archaea. The domain archaea have organism that can live in extremely high conditions and are specialized to produced different byproducts. Halophiles are salt loving and can survive in high salt conditions. Hence, it is an incorrect answer.
Option (B) thermoacidophilic bacteria. The thermoacidophile belong to archaea. They can survive in high temperature and low pH, which is highly acidic condition. Hence, it is an incorrect answer.
Chapter 18 Solutions
Biology Illinois Edition (Glencoe Science)
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Campbell Essential Biology with Physiology (5th Edition)
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