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Question
A lecithin contains which of the following components?A) glycerol and three fatty acids
B) glycerol, two fatty acids and choline
C) glycerol, two fatty acids, phosphate and an amino alcohol
D) sphingosine, two fatty acids, phosphate and an amino alcohol
E) sphingosine, one fatty acid, phosphate and an amino alcohol
Answer
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Related questions
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Q:
According to the Brnsted-Lowry definition,
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In the reaction of nitrogen gas with oxygen gas to produce nitrogen oxide, what is the effect of adding more oxygen gas to the initial reaction mixture? The reaction is shown below.N2(g) + O2(g) -> 2NO(g)A) The equilibrium shifts to produce more N2.B) The equilibrium shifts to produce more NO.C) The equilibrium is not affected.D) Extra catalyst is required to reach equilibrium.E) The temperature of the reaction mixture is raised.
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A chemical reaction has reached equilibrium when
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Q:
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D) 0.9% NaCl
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Q:
During the process of diluting a solution to a lower concentration,
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B) the amount of solvent does not change.
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Q:
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C) the K+ ions are attracted to Cl- ions on the KCl crystal.
D) the K+ ions are attracted to the partially negative oxygen atoms of the water molecule.
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C) solution.
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STP stands for 25 C and 760 mmHg.