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The correct answer is B. A mutation that destroys the kinase activity of the receptor. Option A is incorrect because preventing dimerization of the receptor would prevent activation of the receptor, thus inhibiting cell proliferation. Option C is incorrect because inactivating the protein tyrosine phosphatase would result in increased phosphorylation of the receptor, leading to prolonged activation and potentially increased cell proliferation. Option D is incorrect because preventing the binding of the normal extracellular signal to the receptor would also prevent activation of the receptor and inhibit cell proliferation.
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Question Text | The correct answer is B. A mutation that destroys the kinase activity of the receptor.
Option A is incorrect because preventing dimerization of the receptor would prevent activation of the receptor, thus inhibiting cell proliferation.
Option C is incorrect because inactivating the protein tyrosine phosphatase would result in increased phosphorylation of the receptor, leading to prolonged activation and potentially increased cell proliferation.
Option D is incorrect because preventing the binding of the normal extracellular signal to the receptor would also prevent activation of the receptor and inhibit cell proliferation.
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Topic | All topics |
Subject | Biology |
Class | Class 11 |