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Doctors Medicines MCQs Q&A

  1. Emission
  2. Cell division
  3. Protein synthesis
  4. Photosynthesis
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Option 3 : Protein synthesis

The correct answer is Protein synthesis.

  • Protein synthesis will not occur if the ribosome in a cell is absent.
  • Ribosomes are the sites for protein synthesis, which help in processing many chemical processes in the cell and also repair damaged parts of the cell.

Concept:

Cells: The cell is the basic structural, functional, and biological unit of all known organisms.

  • There are different shapes of the cells.
  • The size and shape of the cells might be different in different organism.
  • Some cells have a nucleus (Eukaryotic cells) while the other does not have a defined nucleus (prokaryotic cells)


In the plant cells there are different components and organelles for specific functions-

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  • Cell Wall – It is a rigid layer composed of cellulose. It is the outermost layer of the cell, below this cell membrane is present. The primary function of the cell wall is to protect and provide structural support to the cell.
  • Cell Membrane – It is a semi-permeable membrane helps in regulating and the substance for entry and exit inside and outside the cell.
  • Nucleus – It is a vital part of the cell as it contains all the information or DNA of the cell and their heredity information for growth and cell division.
  • Vacuole – Most of the part of the plant cell is occupied by the vacuole. It is surrounded by Tonoplast. The vital role of the vacuole is to provide support again the pressure of the cell wall.
  • Golgi apparatus – They act like a transport system in the cell, as they transport various molecules to different part of the cell.
  • Ribosomes – They are the sites of protein synthesis, also termed as protein factory of the cell.
  • Mitochondrion – They break the complex molecules and produce energy and hence called the powerhouse of the cell.
  • Lysosomes – They are termed as suicidal bags as they hold the enzymes that are capable to digest the whole cell itself.
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Related Questions

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