Answer:
the answer is a
Explanation:
because that's the right answer
Answer:
When nitrogen is absorbed by the soil, different bacteria help it to change states so it can be absorbed by plants. Animals then get their nitrogen from the plants. Fixation - Fixation is the first step in the process of making nitrogen usable by plants. Here bacteria change nitrogen into ammonium.
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The five kingdoms of living organisms are Monera, Protista, Fungi, Plantae and Animalia. Monera is for single-celled individuals which just absorb nutrients from the cell wall. Protista is for protists, fungi is for muticellular organisms, plantae is to plants and animalia is to animals. The common structure among them is DNA>
Proteins not expressed on normal cells but found on tumor cells are called tumor specific antigen.
<h3>What are cancer cells?</h3>
Cancer cells are cells whose cells cycles and growth has been altered as a result of mutation in their DNA resulting in abnormally high growth rates.
Cancer cells are also called tumor cells.
Proteins that are expressed in tumor cells but not on normal cells are called tumor specific antigen.
Learn more about tumors at: brainly.com/question/1681377
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<span>If trees will be removed from the forest, the effect will be a decreased rate of atmospheric CO2. The importance of CO2 for plants is used in photosynthesis because it is needed for them to produce their own food. The increase of carbon dioxide due to pollution will need more plants to use it but in this situation, logging will decrease the rate of used CO2 for plants leading to more CO2 that is circulating to the atmosphere which can also lead to global warming.</span>
