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Answer:
Nitrogen is converted from atmospheric nitrogen into forms, such as NO2-, in a process called fixation. The majority of nitrogen is fixed by bacteria, a lot of which are symbiotic with plants.
Answer: Fixation
Answer:
El mestizaje mejora los rasgos heredables más humildes
Explanation:
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Answer:
Food is prevented from entering the trachea because C
Answer;
Prophase
Explanation;
-Mitosis is a process where a single cell divides into two identical daughter cells (cell division). During mitosis one cell divides once to form two identical cells.The major purpose of mitosis is for growth and to replace worn out cells.
-Mitosis is divided into five phases: Interpase, prophase, metaphase, anaphase and telophase.
-During prophase; the chromosomes condense into X-shaped structures that can be easily seen under a microscope. Each chromosome is composed of two sister chromatids, containing identical genetic information. The chromosomes pair up so that both copies of chromosome 1 are together, both copies of chromosome 2 are together, and so on.
-At the end of prophase the membrane around the nucleus in the cell dissolves away releasing the chromosomes.
