Q. How does Ras oncogene contribute to cancers?

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Q. Which property of p53 enables it to prevent the development of cancer?

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Q. The characteristic of malignant other than a benign tumor is?

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Q. The mutation which cannot give rise to an oncogene?

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Q. Which of the following about Rb tumor suppressor protein is correct?

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Q. Migration of cancerous cells from the site of origin to other part of the body forming secondary tumors is called ___________

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Q. The information which is represented by a signal is detected by specific receptors and converted to a cellular response; this conversion is called _____________

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Q. Signal molecule fits the binding site on its complementary receptor called as _____________

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Q. Number of affected molecules increases geometrically in an enzyme cascade in _____________

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Q. Receptor is removed from cell surface in _____________

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Q. Regulatory outcome results from integrated input from both receptors is in _____________

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Q. Acetylcholine receptor ion channel is an example of _____________

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Q. How many types of signal transducers are there?

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Q. Which of the following is a nuclear receptor protein?

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Q. Receptor proteins that indirectly activate enzymes that generate intracellular second messengers are _____________

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Q. Insulin receptor is an example of _____________

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Q. Which of the following statements is true about transmembrane electrical potential?

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Q. Nicotinic acetylcholine receptor is an example of _____________

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Q. Which of the following are intracellular second messengers?

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Q. The receptor channels for which of the following are gated by extracellular ligands?

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