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If hormone receptors of a target cell change, what result is possible?

Answer and explanation

Correct answer: The effect may decrease even when the hormone is present

The governing concept is receptor-dependent cell signalling. A hormone produces its effect only when it binds effectively to the appropriate receptor. If the receptor changes shape, number, or binding ability, the hormone may bind poorly and the cellular response can weaken even though the hormone concentration is normal. Thus option A is correct. Hormones do not turn into nerve cells, geotropism does not begin in blood, and receptor changes in one target cell cannot stop respiration in all plants.

Related tags

Hormone ReceptorsTarget CellsCell SignallingEndocrine SystemControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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