Question

Установите соответствие фаза митозаа.профазаб.метофаза в.анафаза г.телофаза1.расхождение хроматид к полюсам клетки2.образование ядерной мембраны деление цитоплазмы3.размещение хромосом в плоскости экватора прикрепление их центромерами к нитям веретена деления 4.спирализация хромосом разрушение оболочки ядра расхождение центриолей .....помогите пожалуйста

Answer 1

А 1
б 3
в 4 
г 2 
ответы на данные вопросы брала из учебника биологии))

Answer 2

Matching the Phases of Mitosis:

To match the phases of mitosis with their corresponding descriptions, let's go through each option:

a. Prophase: This is the first phase of mitosis. During prophase, several key events occur, including the condensation and spiraling of chromosomes, the breakdown of the nuclear envelope, and the formation of the mitotic spindle. The chromosomes become visible and the centrioles move to opposite poles of the cell. [[1]].

b. Metaphase: In metaphase, the chromosomes align themselves along the equatorial plane of the cell. This alignment is facilitated by the attachment of the chromosomes' centromeres to the spindle fibers. The chromosomes are fully condensed and ready for separation in the next phase. [[2]].

c. Anaphase: Anaphase is the phase in which the sister chromatids separate and move towards opposite poles of the cell. This is achieved by the shortening of the spindle fibers, which pulls the chromatids apart. The cell elongates as the poles move further apart. [[3]].

d. Telophase: Telophase is the final phase of mitosis. During this phase, the nuclear envelope reforms around the separated chromosomes at each pole, forming two distinct nuclei. The chromosomes begin to decondense, and the mitotic spindle disassembles. Cytokinesis, the division of the cytoplasm, usually begins during or after telophase. [[4]].

Based on the descriptions provided, the matching of the phases of mitosis is as follows:

1. Anaphase: The separation of chromatids towards the poles of the cell. 2. Telophase: The formation of the nuclear membrane and the division of the cytoplasm. 3. Metaphase: The alignment of chromosomes in the equatorial plane and their attachment to the spindle fibers. 4. Prophase: The spiraling of chromosomes, the breakdown of the nuclear envelope, and the movement of centrioles to opposite poles of the cell.

I hope this helps! Let me know if you have any further questions.