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Some bacteria oxidize various inorganic ...

Some bacteria oxidize various inorganic substances such as nitrates, nitrites , and ammonia and use the released energy for their ATP production? These bacteria are called

A

archaebacteria

B

photosynthetic autotrophs

C

chemosythetic autotrophs

D

heterotrophs

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The correct Answer is:
To solve the question regarding the type of bacteria that oxidize inorganic substances such as nitrates, nitrites, and ammonia to produce ATP, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks about bacteria that oxidize inorganic substances and use the energy released for ATP production. We need to identify the correct term for these bacteria from the given options. 2. **Analyzing the Options**: - **Option 1: Archaebacteria**: These are a group of microorganisms that can survive in extreme environments. They are not specifically defined by their ability to oxidize inorganic substances for ATP production. - **Option 2: Photosynthetic Autotroph**: These organisms, like plants, obtain energy through photosynthesis, using sunlight to convert inorganic substances into organic matter. This does not apply to the bacteria mentioned in the question. - **Option 3: Chemosynthetic Autotroph**: These bacteria obtain energy by oxidizing inorganic substances (like nitrates, nitrites, and ammonia) and use this energy to produce ATP. This fits the description given in the question. - **Option 4: Heterotroph**: Heterotrophs derive their energy from consuming organic substances produced by other organisms. This does not match the bacteria described in the question. 3. **Identifying the Correct Answer**: Based on the analysis, the bacteria that oxidize inorganic substances and produce ATP are best described as **chemosynthetic autotrophs**. Therefore, the correct answer is **Option 3**. 4. **Examples of Chemosynthetic Autotrophs**: Some examples of these bacteria include: - Nitrobacter - Thiobacter - Nitrosomonas 5. **Conclusion**: The type of bacteria that oxidize inorganic substances such as nitrates, nitrites, and ammonia to produce ATP are called **chemosynthetic autotrophs**. ### Final Answer: **Chemosynthetic autotrophs (Option 3)**
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