| 1. | Each lymphocyte bears a molecular receptor that matches its particular target.
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| 2. | Both neurotransmitters and receptors are made according to instructions in genes.
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| 3. | But that raised the question of why such receptors had evolved.
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| 4. | Still, this proliferation of receptors poses a tough scientific question.
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| 5. | The receptors were surprisingly sensitive to alcohol, the researchers found.
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| 6. | Nicotine attaches to the receptors and stimulates activity in the cell.
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| 7. | The pathologist also notes the prevalence of estrogen and progesterone receptors.
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| 8. | This virus may be able to mutate to use other receptors.
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| 9. | Receptors for neurotransmitters, receptors for olfaction, taste, sight.
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| 10. | Receptors for neurotransmitters, receptors for olfaction, taste, sight.
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