The Fundamental Unit of Life — Science STD 9 — Question
Rajasthan BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
Question
Generally, smaller the cell:
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Answer
It will be metabolically more active.
Explanation:
The surface area of cells determines the exchange of materials. The increase in the volume of the cell increases its metabolic activity. However, surface area does not increase correspondingly with the volume. Therefore, larger cells are less efficient. Metabolically active cells are usually small with the higher surface area with per unit volume.
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