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Mitochondria |
Plastids |
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They are found near the nucleus or aggregated in the peripheral
cytoplasm. |
They are found in leaves. Roots green stems. |
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They are bound by two membranes. |
They are also bound by two membranes. |
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They contain respiratory enzymes. |
They contain pigments of various types. |
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They are present both in plant and animal cells. |
They are present only in plant cells. |
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Their number shape and structure vary widely. |
They also vary in number shape and size. |
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They are called the powerhouse of cells as they provide energy by
cellular respiration. |
They are called the food factories of the cells as they make food for
plants by photosynthesis. |