Distinguish Between Prokaryotic and Enkaryotic Cells - Science

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Distinguish Between

 Distinguish between prokaryotic and enkaryotic cells

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Solution 1

Prokaryotic cell Eukaryotic Cell
1. Size of a cell is generally small (1– 10 mm). 1. Size of a cell is generally large (5 – 100 mm)
2. Nucleus is absent (Nuclear region or nucleoid is not surrounded by a nuclear membrane). 2. Nucleas is present (Nuclear material is surrounded by a nuclear membrane).
3. It contains single chromosome.  3. It contains more than one chromosome.
4. Nucleolus is absent. 4. Nucleolus is present.
5. Membrane bound cell organelles are absent. 5. Membrane bound cell organelles such as mitochondria, plastids, endoplasmic reticulum, Golgi apparatus, lysosomes, peroxisomes, etc., are present.
6. Cell division takes place by fission or budding (no mitosis). 6. Cell division occurs by mitotic or meiotic cell division

Solution 2

  • Prokaryotic cell:
  1. Its diameter ranges from 1 to 2 micron
  2. Absence of membrane-bound organelles
  3. Nucleus consisting of no nuclear membrane
  4. Absence of nucleoli
  • Eukaryotic cell:
  1. Its diameter ranges from 10 to 100 micron
  2. Presence of membrane-bound organelles
  3. True nucleus consisting of the nuclear membrane
  4. Presence of nucleoli
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Chapter 2: The Fundamental Unit of Life : Cell - Short Answer Questions (Carrying 2 Marks each) [Page 118]

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Fill in the gaps in the following table illustrating differences between prokaryotic and eukaryotic cells.

  Prokaryotic cell Eukaryotic cell
1. Size: generally small ( 1-10 µm) 1 µm = 10-6 m Size: generally large (5-100 µm)
2. Nuclear region: ______________and is known as____ Nuclear region: well-defined and surrounded by a nuclear membrane
3. Chromosome: single More than one chromosome
4. Membrane-bound cell organelles are absent  _______________________________

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