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mjstew00763
03.02.2020 •
Biology
The process by which cells that were once mature and differentiated become undifferentiated and immature in appearance and behavior is known as
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Ответ:
Anaplasia
Explanation:
Anaplasia refers to the loss of cell differentiation, which occurs when cells that were previously mature and differentiated become undifferentiated and immature in appearance and behavior. Anaplasia is a fundamental point for the emergence of malignant diseases. Anaplasia is characterized by:
Cellular Pleomorphism: variation of shape and size of cells and their nuclei. Hyperchromasia: very dark colored nuclei. Abundant Mitoses: Indicates Proliferative Activity Polarity Loss: Formation of tumor masses that grow in an unorganized manner. Giant Tumor Cells: They have only one huge single polymorphic nucleus, with two or more nuclei. (Not to be confused with foreign body giant cells or inflammatory Langhans cells)Ответ:
The option A represents the complete opposite of "high-gc gram-positive bacteria". High GC content means that this bacteria have more guanine ans more cytosine than the other base pairs- adenine–thymine. This means all the other options are correct.