Question
How is bacterial cell different from onion pell?
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Bacterial cell
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Onion peel
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1.
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Size of cell is generally small (1 - 10mm).
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1.
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Size of cell is generally large (5 - 100mm).
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2.
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Nucleus is absent (nuclear region or nucleoid is not surrounded by a nuclear membrane).
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2.
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Nucleus is present (nuclear material is surrounded by a nuclear membrane).
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3.
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It contains a single chromosome.
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3.
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It contains more than one chromosome.
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4.
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Nucleous is absent.
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4.
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Nucleous is present.
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5.
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Membrane bound cell organelles are absent.
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5.
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Membrane bound cell organelles such as mithochondria, plastids, endoplasmic recticulm, Golgi apparatus, lysosomes, peroxisomes, etc. are present.
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6.
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Cell division takes place by fission or budding (no mitosis).
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6.
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Cell division occures by mitotic or meiotic cell division.
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| Atomic Species | A | B |
| Protons | 8 | 8 |
| Neutrons | 8 | 10 |