The molecular structure shown here represents which lipid component? monounsaturated fatty acid saturated fatty acid simple lipid trans fatty acid polyunsaturated fatty acid
The molecular structure shown here represents which lipid component? monounsaturated fatty acid saturated fatty acid simple lipid trans fatty acid polyunsaturated fatty acid
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:### Question 18:
The molecular structure shown here represents which lipid component?
a) saturated fatty acid
b) simple lipid
c) monounsaturated fatty acid
d) trans fatty acid
e) polyunsaturated fatty acid
### Detailed Explanation:
**Molecular Structure:**
- The structure features a long hydrocarbon chain with a terminal carboxyl group (COO-).
- There is a double bond present in the chain, indicating unsaturation. The rest of the chain consists of single-bonded carbon and hydrogen atoms.
### Options Explained:
- **Saturated Fatty Acid:** No double bonds between carbon atoms.
- **Simple Lipid:** Generally refers to esters of fatty acids with alcohols, such as triglycerides.
- **Monounsaturated Fatty Acid:** Contains one double bond in the hydrocarbon chain.
- **Trans Fatty Acid:** Contains trans double bonds, as opposed to cis double bonds, affecting the geometry and properties.
- **Polyunsaturated Fatty Acid:** Contains more than one double bond.
**Conclusion:** Based on the structure, which includes one double bond, option c) "monounsaturated fatty acid" is correct.
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