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Root nodules are associations between bacteria and plant roots responsible for?
Root nodules are associations between bacteria (such as rhizobia) and plant roots that are responsible for nitrogen fixation. The bacteria convert atmospheric nitrogen into a form that the plant can use, helping the plant to grow in nitrogen-deficient soils. This symbiotic relationship benefits both the plant and the bacteria.
Does most nitrogen fixation use the energy released by lighting?
Nitrogen fixation is the conversion of atmospheric Nitrogen gas (N2) into Ammonia, and Nitrates that can be used by plants.Much of the nitrogen fixation is done by a symbiotic relationship between nitrogen fixing bacteria and various plants.Thus, the bacteria are not directly doing photosynthesis. The plants do the photosynthesis, and the bacteria are able to get the secondary energy from the plants and plant material.
What is the difference between symbiotic and asymbiotic nitrogen fixation?
Symbiotic nitrogen fixation occurs when nitrogen-fixing bacteria form a mutually beneficial relationship with plants, typically within nodules on plant roots. Asymbiotic nitrogen fixation, on the other hand, happens in free-living bacteria in the soil or water that can fix nitrogen without the need for a specific plant host.
What is the relationship between the plant and bacteria in root nodules?
The relationship between plants and bacteria in root nodules is symbiotic. The plant provides the bacteria with sugars, while the bacteria, often rhizobia, convert nitrogen gas into a form that the plant can use for growth. This process, known as nitrogen fixation, benefits both the plant and the bacteria.
What are nif and nod genes?
Nif and nod genes are involved in nitrogen fixation by certain bacteria. Nif genes are responsible for encoding proteins involved in the nitrogen fixation process, while nod genes are involved in nodulation, which is the formation of specialized structures on plant roots where nitrogen-fixing bacteria reside. These genes play essential roles in the symbiotic relationship between plants and nitrogen-fixing bacteria.
What is the difference between nitrogen fixation and ammonification?
Nitrogen fixation is the process by which nitrogen gas from the atmosphere is converted into ammonia by certain bacteria. Ammonification, on the other hand, is the process by which organic nitrogen from dead organisms or waste is converted into ammonia by decomposers like bacteria and fungi. Nitrogen fixation introduces new nitrogen into the ecosystem, while ammonification recycles existing nitrogen.
In the nitrogen cycle bacteria that live on the roots of plants?
change nitrogen gas into ammonia
Differences between nitrogen fixation and phosphorus fixation?
Nitrogen fixation is a biochemical process that transfer atmospheric nitrogen (N2) into NH3. The former is bio-unavailable, while the later one is bio-available. There is no analogy process for phosphorus.
The relationship between legume plants and bacteria that helps the nitrogen cycle is called?
nitreu
What is the cycle involving the exchange of nitrogen between organisms and the atmosphere?
The nitrogen cycle involves the process of nitrogen fixation by certain bacteria converting atmospheric nitrogen into forms usable by plants, which are then consumed by animals. Decomposers break down organic matter into ammonia and return nitrogen to the soil. Denitrification by bacteria converts nitrates back to atmospheric nitrogen to complete the cycle.
What is the relationship between bacteria and plants?
Plants need nitrogen to grow. They are surrounded by nitrogen in the air, but it is not in a form the plants can use. Nitrogen fixing bacteria on the roots of the plant convert (fix) the airborne nitrogen to a form the plants can use to grow.
What is the mutualistic relationship between legumes and nodule bacteria?
They are caused by a symbiotic bacteria which benefits the plant by fixing atmospheric nitrogen (which the plant needs to make proteins).
