Multiple Choice
Which of the following can cause a prophage in the lysogenic stage to revert to the lytic stage?
3. Acids and Bases
Organic Chemistry Reactions
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In the context of organic chemistry reactions, what do denitrifying bacteria convert nitrates and nitrites into?
A
Nitrous oxide
B
Nitric acid
C
Ammonia
D
Nitrogen gas
Verified step by step guidance1
Understand the role of denitrifying bacteria: These bacteria are involved in the nitrogen cycle, specifically in the process of denitrification, where they convert nitrates (NO₃⁻) and nitrites (NO₂⁻) into nitrogen gas (N₂).
Recognize the chemical transformation: Denitrification is a reduction process where nitrates and nitrites are reduced to nitrogen gas. This is an anaerobic process, meaning it occurs in the absence of oxygen.
Identify the products of denitrification: The primary product of denitrification is nitrogen gas (N₂), which is released into the atmosphere. This process helps in reducing the concentration of nitrates in the soil and water.
Differentiate between possible products: While nitrous oxide (N₂O) can be an intermediate in the denitrification process, the final product is nitrogen gas (N₂). Nitric acid (HNO₃) and ammonia (NH₃) are not products of denitrification.
Connect the process to environmental impact: Denitrification is crucial for maintaining the balance of nitrogen in ecosystems, preventing the accumulation of nitrates which can lead to issues like eutrophication in aquatic environments.
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