Short answer questions
D. Answer in brief.
1. Where are bacteria found?
2. Name three conditions which are essential
for most microbes to survive and grow.
3. Why is nitrogen needed by all living things?
4. What is nitrogen fixation?
5. What do you mean by'nitrogen cycle'?
6. In what natural ways are soil nitrates
replaced?
7. What is retting?
8. What are antibiotics?
9. What are pathogens?
pls guys help me to answer these questions i need urgently
Answers
Answer:
1.Bacteria are found in every habitat on Earth: soil, rock, oceans and even arctic snow. Some live in or on other organisms including plants and animals including humans. There are approximately 10 times as many bacterial cells as human cells in the human body.
2.These conditions include temperature, moisture, pH and environmental oxygen. Understanding the optimal conditions for bacterial growth can potentially help you reduce your risk for bacterial infections and food poisoning.
3. Nitrogen is essential for all living things because it is a major part of amino acids, which are the building blocks of proteins and of nucleic acids such as DNA, which transfers genetic information to subsequent generations of organisms. ... A process called the nitrogen cycle makes this happen.
4.nitrogen fixation, any natural or industrial process that causes free nitrogen (N2), which is a relatively inert gas plentiful in air, to combine chemically with other elements to form more-reactive nitrogen compounds such as ammonia, nitrates, or nitrites
5.The nitrogen cycle is a repeating cycle of processes during which nitrogen moves through both living and non-living things: the atmosphere, soil, water, plants, animals and bacteria. In order to move through the different parts of the cycle, nitrogen must change forms.
Explanation:
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