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Question

Does the cell show Golgi complexes, nucleolus, and endoplasmic reticulum towards the end of prophase?


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Solution

Golgi complex:

  1. A sequence of stacked flat cisternae gives the Golgi apparatus its distinctive structure.
  2. It is a membrane-bounded organelle.
  3. In mammalian cells, the Golgi apparatus is initially broken up into minute vesicles during mitosis and is later reconstructed to take its distinctive structure in each daughter cell

Endoplasmic reticulum:

  1. The primary protein-folding organelle for secretory and membrane proteins is the endoplasmic reticulum (ER).
  2. In the ER, proteins are folded, put together, and undergo post-translational modifications.
  3. In this procedure, chaperones and folding enzymes are helpful.

Nucleolus:

The nucleus carries the genes, structures that hold the genetic information, and controls and regulates the functions of the cell

Prophase:

  1. Prophase is the first step of cell division in both mitosis and meiosis.
  2. During interphase, two copies of identical chromosomes are replicated, generating sister chromatids.
  3. The mitotic spindle begins to form in the early prophase, chromosomes begin to condense, the nucleolus, along with the endoplasmic reticulum, vanishes, and the nuclear envelope breaks down. The prophase is separated into two parts: early and late. Prometaphase is another name for late prophase. The nuclear lamina disintegrates the nuclear envelope during the late prophase
  4. Because the Golgi complex, endoplasmic reticulum, nucleolus, and nuclear envelope are not differentiated toward the end of prophase, they are not visible under a microscope.

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