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Classification of hormones - class-XII

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Multiple Choice

Hormones can be differentiated from neurotransmitters on the basis of the fact that

  1. Hormones modify cellular activity
  2. Hormones are secreted into the bloodstream
  3. Hormones produce a change in animal behavior
  4. Hormones attach to receptors on the cell surface
  5. Hormones are released in response to external stimuli
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