Explain the process of mitosis in a tissue culture for normal cells.

1 answer:

8 0

Mitosis simply refers to cell division in which one cell divides and produce two new cells that are identical.

Here are the steps:
(1) Prophase
(a) Early prophase when cells starts to break down some structures and build others up. It sets up the stage when the chromosome is dividing.(b) Prometaphase, mitotic spindle begins to capture and organize the chromosomes.

(2) Metaphase
The spindle has captured all the chromosomes. They lined them up at the middle of the cell making it ready for division.

(3) Anaphase
The sister chromatids separate from each other and are pulled towards opposite ends of the cell.

(4) Telophase
The cell is nearly finished dividing, and it starts to re-establish normal internal structures as cytokinesis takes place.

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Answer:

The correct answer is -

A: Prophase (top left)

B: Cytokinesis (top middle)

C :Interphase (top right)

D :Telophase (bottom left)

E: Metaphase (bottom middle)

F: Anaphase (bottom right)

Explanation:

A. prophse - the first stage of mitosis, in this pahse the chromatin which is DNA and proteins, condenses in nucleus.

B. Cytokinesis - It is the physical sepration or dividion of cytoplasm of the parental cell.

C. Interphase - This phase have no change in cell except its size as it grows and enlarges itself.

D. Telophase - formation of a nuclear membrane around chromosome set to separate the genetic material from the cytoplasm.

E. Metaphase - visible chromosomes, removal of nucleus and chromosomes present in cytoplasm.

F. Anaphase - replicated chromosomes are separated and move towards opposite poles.

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Read 2 more answers

Match the following. 1. the cell that begins the process of cell division telophase 2. the first part of mitosis in which the ch

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Below are the statements matched to their correct term:

1. The cell that begins the process of cell division- PARENT CELL

2. The first part of mitosis in which the chromosomes shorten and thicken, the nucleolus breaks down, and the nuclear envelope disintegrates - PROPHASE

3. Two rod-like strands replicated by a chromosome during interphase; becomes a daughter chromosome by the end of cell division- SISTER CHROMATIDS

4. a system of fibers stretching from one end of a mitotic cell to the other -SPINDLE APPARATUS 

5. The phase of mitosis in which the daughter chromosomes have reached opposite ends of the cell, the nuclear envelope and nucleolus reform, and the process of cytokinesis begins - TELOPHASE