1. Answer the following problem and explain your answer for better understanding Which of the following is not a characteristic of unsaturated fatty acids? Select the correct response: They have a bent structure. They have a cis configuration. They have a higher melting point than equivalent saturated fatty acid. They are better for our health than saturated fatty acids.

1. Answer the following problem and explain your answer for better understanding Which of the following is not a characteristic of unsaturated fatty acids? Select the correct response: They have a bent structure. They have a cis configuration. They have a higher melting point than equivalent saturated fatty acid. They are better for our health than saturated fatty acids.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter3: The Chemistry Of Life: Organic Compounds

Section: Chapter Questions

Problem 8TYU: Fatty acids in phospholipids and triacylglycerols interact with one another by (a) disulfide bridges...

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Fatty acids in phospholipids and triacylglycerols interact with one another by (a) disulfide bridges (b) van der Waals interactions (c) covalent bonds (d) hydrogen bonds (e) fatty acids do not interact with one another
Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bonds
Saturated fatty acids are so named because they are saturated with (a) hydrogen (b) water (c) hydroxyl groups (d) glycerol (e) double bonds
Unlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more ________. a. phosphate group c. double bonds b. glycerols d. single bonds
Select the correct statement about unsaturated fatty acids: 1. Unsaturated fatty acids have extra nitrogen atoms in their hydrophobic tails compared to saturated fatty acids 2. Unsaturated fatty acids have multiply bonded carbons in their hydrophobic tails compared to saturated fatty acids which have only single bonded carbons 3. Unsaturated fatty acids have no bends in their hydrophilic fatty acid tails 4. Unsaturated fatty acids have relatively more hydrogen atoms in their hydrophobic tails compared to saturated fatty acids
arrange the following lipids in order of decreasing polarity: cholesterol, triglyceride, estradiol, fatty acid, phosphatidyl choline
1. Melting point: what happens when the carbon chain length of fatty acids become shorter? increased melting point decrease melting point no change 2. Why do lipids with long chain fatty acids have lower saponification value? they are linear in structure, thus it is difficult to saponify they have lower number of carboxyl group per 1 gram of sample they require less amount of KOH during titration they require less HCL during back titration 3. Halogenation depends on which concept? presence of double bond in the glycerol portion presence of double bond in the fatty acid portion presence of carboxylic acid groups reactivity of potassium ions
Which of the following statements regarding lipids is most accurate? 1. Lipids are synthesized by ribosomes 2. Saturated fats tend to be solid at room temperature because of the polar hydrocarbon chains 3. Saturated fats tend to be liquid at room temperature due to hydrogen bonding 4. Polyunsaturated fats tend to be liquid at room temperature due to numerous double bonds in the hydrocarbon chains 5. The empirical formula for lipids is typically C1H201
1. Heat enhances hydrogen bonds, ionic interaction and hydrophobic bonds among the amino residues in a protein.* 1 point The statement is CORRECT. The statement is INCORRECT. 2. Which of the following statements is TRUE for fats and oils?* Fats need more volume of bromine to reach endpoint due to higher degree of unsaturation. Oils need more volume of bromine to reach endpoint due to higher degree of unsaturation. Fats and oils need the same volume to reach endpoint due to same degree of unsaturation. None of the choices
Predict the order of the melting points of triglycerides containing fatty acids, as follows: From lowest to highest melting point Drag and drop your selection from the following list to complete the answer: linolenic, lauric, palmitic palmitic, palmitic, stearic palmitoleic, linoleic, oleic
Below are block diagrams representing the general structures of three types of lipids. Which terms best describe each diagram: phospholipid; triacylglycerol; hydrolyzable lipid; sphingomyelin; phosphoacylglycerol
Which of the following statements regarding lipids is most accurate? 1. The empirical formula for lipids is typically C1H201 2. Saturated fats tend to be solid at room temperature because of the polar hydrocarbon Chain. 3. Polyunsaturated fats tend to be liquid at room temperature due to numerous double bonds in the hydrocarbon chains 4. Saturated fats tend to be liquid at room fèmperature due to hydrogen bonding 5. Lipids are synthesized by ribosomes