Nitrogen monoxide (NO) is a bioactive molecule in the blood. Low NO concentration cause respiratory distress and the formation of blood clots. Doctors prescribe nitroglycerin, CଷHହNଷOଽ and isoamyl nitrate, (CHଷ)ଶCHCHଶCHଶONOଶ, to increase NO. If each compound releases one molecule of NO per atom of N it contains, calculate the mass percent of NO in each.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Variables,control,conclusion and finally scientific theory

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