객관식
Draw a sphingomyelin that contains palmitoleic acid.
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32. Lipids
Sphingomyelins
객관식
Which one of the following statements describes how sphingomyelins are similar to glycerophospholipids?
A
Sphingomyelins have the same number of fatty acids as glycerophospholipids.
B
Sphingomyelins and glycerophospholipids have the same linkage that holds the fatty acids.
C
Sphingomyelins and glycerophospholipids have phosphate with head groups.
D
Both can be classified as sphingolipids.
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검증된 단계별 안내1
Begin by understanding the structure of sphingomyelins and glycerophospholipids. Sphingomyelins are a type of sphingolipid that contain a sphingosine backbone, whereas glycerophospholipids have a glycerol backbone.
Identify the common structural features between sphingomyelins and glycerophospholipids. Both types of lipids contain a phosphate group attached to their backbone, which is crucial for their function in biological membranes.
Examine the head groups attached to the phosphate group. In both sphingomyelins and glycerophospholipids, the phosphate group can be linked to various head groups, such as choline, ethanolamine, or serine, which contribute to the diversity of these lipids.
Consider the classification of these lipids. While sphingomyelins are classified as sphingolipids due to their sphingosine backbone, glycerophospholipids are not classified as sphingolipids because they have a glycerol backbone.
Conclude by recognizing the key similarity: both sphingomyelins and glycerophospholipids have a phosphate group with head groups, which is a defining feature of their structure and function in cell membranes.
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