trimesters of glycerol and palmitic acid trimesters of glycerol and three long-chain saturated fatty acids esters of single fatty acids with long-chain alcohols O A. All three statements are true. OB. Two of the three statements are true. O c. Only one of the statements is true. O D. None of the statements is true. 10
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- Biological waxes are all: A) trimesters of glycerol and three long chain saturated fatty acids. B) trimesters of glycerol and palmitic acid. C) trimesters of single fatty acids with long-chain alcohols. D) trimesters of sphingolipids E) none of the above F) All of the above.Arachidonic acids * A. Linoleic polyunsaturated omega-6 fatty acid is its starting material. B. Sphingosine is its structural backbone C. Is the metabolic precursor for the production of most eicosanoids D. Eicosapentanoic acids is the primary precursor.9. Essential fatty acids cannot be synthesized in our body and should be taken from our diet. Enumerate these fatty acids and indicate the position of their unsaturation. 10. Enumerate the PUFA (Polyunsaturated Fatty Acids) and indicate the position of unsaturation? 11. Enumerate the derivatives of steroids and their functions.
- 1. Arachidonic acidsa. Linoleic polyunsaturated omega-6 fatty acid is its starting materialb. Sphingosine is its structural backbonec. Is the metabolic precursor for the production of most eicosanoidsd. Eicosapentanoic acids is the primary precursor4. Aldosterone is glucocorticoid hormone with Na+/K+ balance in the human body. Cortisol is an adrenocorticoid hormone that also helps in controlling glucose metabolism.a. Neither of the statements are INCORRECTb. Either of the statements are CORRECTc. Both statements are INCORRECTd. Only the First statement is INCORRECTe. Only ONE of the statements in CORRECT4. Which of the following substances is associated with Na+/K+ balance in the human body?a. Cortisolb. Cortisonec. Aldosteroned. Prednisolone5. Which of the following statements concerning steroid hormones is correct?a. Some, but not all of them, are cholesterol derivatives.b. Some, but not all of them, are glucose derivatives.c. Some, but not all of them, are fatty acid derivatives.d.…Although the first two carbons of fructose and glucose are identical in structure to DHAP and GADP (from glycolysis), DHAP and GADP equilibriate on their in solution to favor the ketone over the aldehyde, while fructose and glucose do not. Why? a)The larger size of the molecule sterically hinders the isomerization b)The larger sugars have more OH groups which hydrogen bond and disrupt isomerization c)The larger sugars cyclize, and there is no carbonyl to isomerize in the cyclic form d)The larger sugars cyclize, and in the cyclic form the hydrogen bonding is very strong e)The larger sugars are less soluble in water than the smaller sugars1. Which of the following is a structural component of a triacylglycerol? a. fatty acids b. glycerol c. both a and b d. neither a nor b 2. Which is TRUE regarding fatty acids? a. It contains a polar hydrocarbon chain. b. It is a component of oils and fats. c. both a and b d. neither a nor b 3. What happens in the stomach during lipid digestion? a. formation of micelles b. hydrolysis of lipids by salivary lipase c. both a and b d. neither a nor b 4. Which process does NOT happen in the small intestine during lipid digestion? a. secretion of bile salts b. formation of micelles c. absorption of long-chain fatty acids by the enterocytes d. a, b, and c are the correct answer. 5. Which of the following describes the enzymatic activity of pancreatic lipase? a. It hydrolyzes the bond between the fatty acids and glycerol. b. It emulsifies the lipid droplet into smaller globules. c. both a and b d. neither a nor b 6. What is the correct sequence of events during lipid digestion? I.…
- Which is true of reducing disaccharidess: a) One sugar has an unlinked anomeric carbon b) the anomeric carbons of both sugars are linked c) both sugars are ketoses d) one sugar is a ketose and the other is an aldose Amylose differs from amylopectin in that amylose is: a) branched b) unbranched c) required in the diet d) found only in bacteria The structure of glycogen most closely resembles that of: a) cellulose b) amylose c) amylopectin d) egg albumin The structure of cellulose differs from that of amylose in which way? A) cellulose uses fructose while amylose uses glucose b) cellulose has branches while amylose does not c) amylose has branches while cellulose does not d) cellulose has beta-links while amylose has alpha links The following sugar is commonly found in nature: a) L – fucose b) L-glucose c) L-ribose d) L – galactose Hyaluronic acid is classified as a: a) peptidoglycan b) ketohexose c) glycosaminoglycan d)…I. MULTIPLE CHOICE: Please choose the BEST ANSWER to the followingquestions below. 4. Which of the following best describe the physical properties of fatty acids?a. All physical properties of fatty acids are influenced by the length and degree ofunsaturation of their carbon chain.b. Melting points of fatty acids are influenced by the carbon chain length.c. Melting points of fatty acids are influenced by their degree of unsaturation.d. All the above.5. Triacylglycerols are ________.a. insoluble in water.b. partially soluble in water.c. soluble in water at elevated temperatures.d. soluble in water.6. The backbone of a triglyceride is __________.a. a three-carbon molecule with an aldehyde and two hydroxyl groups.b. a three-carbon molecule with three hydroxyl groups.c. esterified fatty acids fused with 1 to 3 carbons.d. three long-chain fatty acids.I. MULTIPLE CHOICE: Please choose the BEST ANSWER to the followingquestions below.4. Which of the following best describe the physical properties of fatty acids?a. All physical properties of fatty acids are influenced by the length and degree ofunsaturation of their carbon chain.b. Melting points of fatty acids are influenced by the carbon chain length.c. Melting points of fatty acids are influenced by their degree of unsaturation.d. All the above.5. Triacylglycerols are ________.a. insoluble in water.b. partially soluble in water.c. soluble in water at elevated temperatures.d. soluble in water.6. The backbone of a triglyceride is __________.a. a three-carbon molecule with an aldehyde and two hydroxyl groups.b. a three-carbon molecule with three hydroxyl groups.c. esterified fatty acids fused with 1 to 3 carbons.d. three long-chain fatty acids.7. Triacylglycerols are _____ in their ability to store energy when compared to glycogen, theenergy storing form of glucose in the human body.a.…
- Fatty acids Yield about: A. 7 ATP per C at B. 120 ATP per C atom C. 32 AIP C atom D. 14 ATP per C atom1.Linoleic acid and linoleic acid cannot be synthesized in human tissues, because of _____. * a.Human cells cannot synthesize unsaturated fatty acids. b.Human cells can synthesize only mono-unsaturated fatty acids. c.The corresponding biosynthetic pathway was lost during evolution. d.Humans are diploid organisms; only polyploidy organisms have enough genes for the synthesis of these fatty acids 2.What product could be formed from the breakdown of amylopectin and cellulose? * a.Cellulose could be broken down into chitin b.Cellulose could be broken down into sucrose c.Amylopectin could be broken down into maltose d.Amylopectin could be broken down into glucosamine 3. Which characteristics distinguishes amylopectin and glycogen? * a.Only glycogen has a coiled shape. b.They have different degrees of branching c.Only amylopectin can form hydrogen bonds d.They have different types of glycosidic bondShow a(13:1)Cis Fatty-acid that is △^10 and what it is called in Omega No man clay.tur. Compared to trans version would this one or trans have higher/lowr Melting.P?why?