Histamine is a substance that is released by cells in response to injury, infections, stings and materials that cause allergic responses, such as pollen. histamine causes dilation of blood vessels and swelling due to accumulation of fluid in the tissues. people sometimes take antihistamine drugs to counteract the effects of histamine. a sample of histamine having a mass of 385 mg is composed of 208 mg of carbon, 31 mg of hydrogen and 146 mg of nitrogen. the molar mass of histamine is 111 g/mol. what is the molecular formula for histamine?
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Chemistry, 21.06.2019 23:30
Why do you suppose the structural polysaccharide cellulose does not contain branches? why do you suppose the structural polysaccharide cellulose does not contain branches? branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into globules, thereby decreasing the flexibility and strength of the globules. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into microfibrils, thereby increasing the rigidity and strength of the microfibrils. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into globules, thereby increasing the flexibility and strength of the globules. branches in the molecule would generate side chains that would almost certainly make it difficult to pack the cellulose molecules into microfibrils, thereby decreasing the rigidity and strength of the microfibrils.
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Chemistry, 22.06.2019 02:10
What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .
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Chemistry, 22.06.2019 21:00
Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point
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Chemistry, 23.06.2019 00:00
What conclusion can you draw from this experiment about the components of the black ink?
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Histamine is a substance that is released by cells in response to injury, infections, stings and mat...
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