QQuestionBiology
QuestionBiology
"Eubacteria belong to which domain, and are they unicellular or multicellular, and prokaryotic or eukaryotic? What is their primary mode of nutrition?
A) Domain: Bacteria; Unicellular; Prokaryotic; Autotrophic
B) Domain: Archaea; Multicellular; Eukaryotic; Heterotrophic
C) Domain: Bacteria; Unicellular; Prokaryotic; Heterotrophic
D) Domain: Archaea; Unicellular; Prokaryotic; Autotrophic"
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Answer
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Step 1:I'll solve this biology classification problem step by step:
Step 2:: Identify the Domain
- Eubacteria, also known as "true bacteria", belong to the Domain Bacteria - This eliminates options B and D, which mention Domain Archaea
Step 3:: Cellular Organization
- Eubacteria are unicellular organisms - This characteristic matches options A and C - They do not form multicellular structures
Step 4:: Cell Type Classification
- Eubacteria are prokaryotic organisms - They lack a membrane-bound nucleus and complex organelles - This matches options A and C - This eliminates option B, which suggests they are eukaryotic
Step 5:: Nutritional Mode
- Most eubacteria are heterotrophic - They obtain nutrients by consuming organic compounds from their environment - This matches option C - Option A incorrectly states they are autotrophic
Step 6:: Final Elimination
- By process of elimination and careful analysis of each characteristic, option C is the correct answer
Final Answer
The solution systematically evaluates each aspect of eubacterial classification to arrive at the most accurate description.
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