1. What is the chemical formula for palmitic acid and oleic acid? Which one is a saturated fat and which one is an unsaturated fat? How do you know? Toactions to form
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- 1. What biological molecule are required in the synthesis of protein( choose all that apply)? - phosphate ester - fatty acid (s) - alcohol - glycerol - amino acids 2. ATP is generated during A. Aldehyde reduction B. Alkene hydration C. Acetal synthesis D. Polysaccharide hydrolysis 3. What compound( biological classification) would be the result of protein complete hydrolysis in the mouth? A. Fatty acid and glycerol B. Monosaccharides C. Amino acids D. Disaccharide 4. The hydrophobic/ hydrophilic interaction are present in which protein structure level (s) (choose all that apply) ? - secondary - primary - tertiary -quaternary 5. Which protein structural level is/ are affected by the addition of an organic solvent isopropanol? A. Secondary B. Tertiary C. All are affected D. Quaternary1. a. Explain why the melting point of palmitic acid (16 carbons, no double bonds) is slightly lower thanthat of stearic acid (18 carbons, no double bonds). Explain why the melting point of oleic acid (18carbons, one double bond) is lower than that of stearic acid b. A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, phosphatidylserine, andphosphatidylethanolamine was applied to a hydrophobic interaction chromatography column. Thecolumn was washed with a high salt buffer, and the lipids were then eluted with decreasing saltconcentrations. In what order would the lipids be eluted from the column? Explain your answer.1. Research the structures for three different carbohydrates. Draw these structures as skeletal structures or condensed structures in your lab notebook. What is structurally similar about all of these carbohydrate molecules? Why are carbohydrates important to overall health? 2. Research the structures for three different lipids. Draw these structures as skeletal structures or condensed structures in your lab notebook. What is structurally similar about all of these lipid molecules? Which lipids are of particular importance for overall health and why? 3. Research the structures for three different amino acids, which are the building blocks of proteins. Draw these structures as skeletal structures or condensed structures in your lab notebook. What is structurally similar about all of these amino acid molecules? Why are proteins important to overall health?
- 1. Why are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) important? 2. What are the health effects of lipids? 3. What are the benefits derived from omega-3 polyunsaturated fats? 4. Which is better, butter or margarine? Why?1. Using the amino acids glyceric acid and aspartic acid show how a peptide bond is formed showing the stearic hinderance. 2. Outline 2 biological uses for lipids. make sure to explain them 3. See the picture attached1.Why do fat molecules can pack closely together? a. "bends" b. polarity c. length d. linearity 2. Which one is NOT a property of glycerol? a. "backbone" in the simple lipid structure b. undergoes condensation with three molecules of fatty acids c. its OH groups reacts with the fatty functional groups of fatty acids d. it is a water-soluble ester 3. Which one has to bends in the structure? a. palmitic acid b. oleic acid c. linoleic acid d. myristic acid
- 1. What are the differences between unsaturated and saturated fatty acids? 2. What is Biological Value (protein)? 3. What is Chemical Score (protein)? 4. What temperature is your beverage optimal for rehydration?1. Why are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) important? 2. What are the health effects of lipids?1. What type of monomer/macromolecule is glucose (please be more specific than just carbohydrate since both starch and glucose are carbohydrates)? 2. What type of monomer/macromolecule is starch (please be more specific than just carbohydrate since both starch and glucose are carbohydrates)?
- 1. What type of lipid does a bile salt belong to? 2. What is the main function of bile salts? 3. Draw the structure of bile salts.1)What is the chemical structure of a trans fat compared to that of a non-trans fat? 2)How much trans fat do you consume daily? 3)How would you balance the needs of the food industry with the health risks associated with changing the chemical composition of a food ?1.) Use the link in your notes, research polyunsaturated, monounsaturated, and saturated fats, which ones are most stable for cooking? What fats/ should be avoided? 2.) Knowing the information from question 10 , what should you avoid when cooking with oils/fats? Why ?