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प्रश्न
Which statement is not for a hormone?
पर्याय
They act on target organs usually away from the source glands.
They are secreted directly into the blood.
They are used again and again like catalysts.
They are produced in very minute quantities and are biologically very active.
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उत्तर
They are used again and again like catalysts.
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संबंधित प्रश्न
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