Rank the following fatty acids from lowest melting temperature to highest melting temperature. (A) -o-c B-0-- 0-0 Ⓒ-0-²² -- OB
Rank the following fatty acids from lowest melting temperature to highest melting temperature. (A) -o-c B-0-- 0-0 Ⓒ-0-²² -- OB
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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Question

Transcribed Image Text:**Title: Ranking Fatty Acids by Melting Temperature**
**Description:**
The image shows a set of structural formulas for four different fatty acids labeled A, B, C, and D. Each fatty acid has a varying length and degree of saturation, which affects its melting temperature.
**Structural Descriptions:**
- **Fatty Acid A:** This structure has no double bonds, indicating a saturated fatty acid with a straight chain.
- **Fatty Acid B:** This structure has two double bonds, making it a polyunsaturated fatty acid with noticeable bends in the chain.
- **Fatty Acid C:** Similar to Fatty Acid A, this structure shows no double bonds but is slightly longer.
- **Fatty Acid D:** This structure contains one double bond, identifying it as a monounsaturated fatty acid with a single kink in the chain.
**Question:**
Rank the following fatty acids from the lowest melting temperature to the highest melting temperature:
**Options:**
- B < C < A < D
- C < A < B < D
- D < A < C < B
- D < B < A < C
**Explanation:**
Fatty acids are ranked based on their degree of saturation and chain length. Generally, saturated fatty acids with longer chains have higher melting points, while unsaturated fatty acids with more double bonds have lower melting points due to kinks preventing tight packing.
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