Q. Nitric oxide is an intracellular messenger.

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Q. Nitric oxide is formed from which of the amino acid?

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Q. Acetylcholine has the function of ________________________

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Q. The diffusible agent produced by binding of acetylcholine to endothelial cells is __________________

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Q. Binding of acetylcholine to outer surface of endothelial cells, signals _____________________

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Q. The nitric oxide binds to and stimulates guanylyl cyclase.

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Q. Which of the following compounds is metabolized into nitric oxide?

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Q. The development of Viagra is related to the discovery of nitric oxide as a ____________________

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Q. Viagra is specific for which isoform of cGMP phosphodiesterase?

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Q. The posttranslational modification involving nitric oxide is called __________________

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Q. Which of the following type of cells recognize and kill the abnormal pathogen infected cells?

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Q. When was the term apoptosis coined?

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Q. Apoptosis is programmed cell death.

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Q. The CED3 gene product in nematodes has homologous _______________ in mammals.

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Q. Inactivation of which of the following leads to detachment of the apoptotic cell?

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Q. Inactivation of which of the following leads to shrinkage of the nucleus?

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Q. Cytokines serve as _____________________ for apoptosis.

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Q. Which of the following is an extracellular messenger of apoptosis?

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Q. Which of the following is also termed as a death receptor?

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Q. The TNFR1 is a trimeric receptor.

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