Before fertilization, the metabolic rate of ovum is
A
Same after fertilization
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B
Higher than other body cells
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C
Lower than other body cells
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D
Higher than after fertilization
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Solution
The correct option is C Lower than other body cells After fertilization, the ovum shows a alteration in the respiratory and metabolic rates. This is associated with the cytosolic calcium concentration. However, before fertilization the metabolic rate of the ovum remains lower than the body cells.