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Matching: In the space provided, write the letter of the phase during which each event occurs. Some answers may be used more than once.



a. interphase

b. prophase

c. metaphase

d. anaphase

e. telophase

f. cytokinesis


25. The nucleolus begins to disintegrate.

26. Chromatids separate at the beginning of this phase.

27. The chromosomes move toward the center of the cell.

28. A chromatid from each pair is now attached at each pole.

29. The cell grows rapidly.

30. Separate spindle fibers become attached to the centromeres of each chromosome.

31. Separate chromosomes are not clearly visible but the chromatin has become thicker and shorter.

32. A cell plate completely divides a plant cell.

Respuesta :

Answer:

  • prophase =  The nucleolus begins to disintegrate.
  • anaphase =  Chromatids separate at the beginning of this phase.
  • metaphase = The chromosomes move toward the center of the cell.
  • metaphase = Separate spindle fibers become attached to the centromeres of each chromosome.
  • interphase =  Separate chromosomes are not clearly visible but the chromatin has become thicker and shorter.
  •  cytokinesis  = A cell plate completely divides a plant cell.
  • interphase = The cell grows rapidly.

Explanation:

Mitosis consist of two main phases, first in which cell grow and prepare to divide and in another divide the chromosomes.

Interphase -  The cell grows rapidly and replicate DNA. Separate chromosomes are not clearly visible but the chromatin become thicker and shorter.

Prophase  - The nucleolus begins to disintegrate.

Metaphase - The chromosomes move toward the center of the cell, form a meta plate.

Anaphase - Chromatids separate at the beginning of this phase by spindle fiber.

Telophase - A chromatid from each pair is now attached at each pole at the end of anaphase.

Cytokinesis  = A cell plate completely divides a plant cell.

 

Mitosis:

It Is a cell division in which cell is divide to form two diploid daughter cells.

It is composed of two phases.

1. Interphase

2. Mitotic phase

Interphase is the time when cell  grow and prepare to divide. Cells replicate its DNA and organelles.

Mitotic phase is further divided into several phase

  • Prophase: In this DNA condensed in to chromosome
  • Metaphase: All the chromosomes aligned in the center of the cell.
  • Anaphase: Homologous chromosomes divide and move to opposite poles.
  • Telophase: Chromosomes reach the poles and nuclear membrane reform.

Cytokinesis: Cell wall form a cell plate to divide the plant cell.

Therefore, Mitosis consist of two main phases, first in which cell grow and prepare to divide and in another divide the chromosomes.

To know more about mitosis,

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