The big ban occurred at the beginning of the year the first second[437 . 5 years per second] of January , the solar system and life at September.
Answer:
The answer is It allows only certain materials to enter and exit the cell.
Answer and Explanation:
Electron microscopes are the most powerful types of microscopes, capable of distinguishing even individual atoms. However, these microscopes can't be used to image living cells because the electrons destroy the samples.
Answer:
The anus is an opening at the far-end of the digestive tract and is the exit point for the waste material.
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The right answer is 2 divisions.
Meiosis follows the replication of DNA from a reproductive cell (male or female). It allows the passage of a so-called diploid mother cell to 2n chromosome homologous chromosomes to 4 single-chromosome haploid daughter cells. For that it must pass by two successive divisions, the first division is reductionelle generating two diploid cells with n chromosomes. the second division is equational giving 4 haploid cells to n chromosomes from the two preceding cells.