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Only prokaryotes can fix atmospheric nitrogen due to the presence of the nitrogenase enzyme, which is essential for converting nitrogen gas (N₂) into ammonia (NH₃). This process occurs in specialized cells or structures, such as root nodules in legumes, where prokaryotes like Rhizobium live symbiotically with plants. Eukaryotes lack the necessary biochemical pathways and the nitrogenase enzyme, making them incapable of directly fixing atmospheric nitrogen. Consequently, prokaryotes play a crucial role in the nitrogen cycle and ecosystem nutrient dynamics.
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Does the nitrogen cycle have no atmospheric component?
No, the nitrogen cycle has an atmospheric component. Nitrogen gas (N2) in the atmosphere is converted into compounds that can be used by living organisms through processes like nitrogen fixation and denitrification. This atmospheric nitrogen is essential for the functioning of the nitrogen cycle on Earth.
Why atmospheric nitrogen and oxygen does not react with each other?
because the molecules of oxygen only react at high temperatures
What process in the nitrogen cycle is only carried out by bacteria?
The process of nitrogen fixation is carried out by bacteria. This process involves converting atmospheric nitrogen gas into a form that can be used by plants, such as ammonium or nitrate. This is essential for making nitrogen available to the rest of the ecosystem.
Bacteria are the only organisms that can?
Bacteria are the only organisms that can convert nitrogen into a usable form. Diazotroph or nitrogen-fixing bacteria are types of bacteria that perform this ability.
Is carbon dioxide the predominant atmospheric gas on both Mars and Venus?
No, carbon dioxide is the predominant atmospheric gas on Venus, while nitrogen is the predominant gas on Mars. On Venus, around 96% of the atmosphere is carbon dioxide, whereas on Mars, carbon dioxide makes up only about 95% of the thin atmosphere, with nitrogen comprising the majority of the remainder.
Does the nitrogen cycle have no atmospheric component?
No, the nitrogen cycle has an atmospheric component. Nitrogen gas (N2) in the atmosphere is converted into compounds that can be used by living organisms through processes like nitrogen fixation and denitrification. This atmospheric nitrogen is essential for the functioning of the nitrogen cycle on Earth.
Bacteria are the only organisms that can be what?
Transform atmospheric nitrogen into ammonia.
How hot is liquid nitrogen?
At the atmospheric pressure, liquid nitrogen only exists in temperatures below 177 K.
What atmospheric gas can only be used by plants when transformed by bacteria first?
Nitrogen
Why atmospheric nitrogen and oxygen does not react with each other?
because the molecules of oxygen only react at high temperatures
Are Golgi bodies in bacteria?
No. Prokaryotes have no need of protein modification and the ability to ship proteins out of the only cell they are.
What are two ways that nitrogen is fixed so plants can use it?
The only forms of nitrogen compounds that living things can make use of are ammonia compounds and nitrate compounds.These are called "fixed nitrogen". Animals obtain the nitrogen they need from proteins in the plants and/or animals they eat. Proteins are amino acid polymers and amino acids are built around an ammonia group.
What is biological fixation?
it is The ability to fix nitrogen is found only in certain bacteria and archaea.
What process in the nitrogen cycle is only carried out by bacteria?
The process of nitrogen fixation is carried out by bacteria. This process involves converting atmospheric nitrogen gas into a form that can be used by plants, such as ammonium or nitrate. This is essential for making nitrogen available to the rest of the ecosystem.
How do plants and animals differ in the ways they obtain nitrogen?
Plants get it from bacteria which live associated with their roots who take atmospheric nitrogen and fixate it (nitrogen cycle). Animals can only get it by ingesting organic compounds which contain nitrogen, such as plants and other animals which have eaten plants.
Is phytoplankton prokaryotic?
They are eukaryotes, not prokaryotes. Only backeria can be prokaryotes.
Is choloroplast in prokaryotes or eukaryotes?
hey are only in eukaryotes. They are never in prokaryotes.
