31) Which of the following is the difference between prostaglandins and leukotrienes?
A) One of them has 20 carbons on the main carbon chain; the other has more.
B) One of them contains a five-membered ring; the other does not.
C) One of them is synthesized from arachidonic acid; the other is synthesized from linolenic acid.
D) One of them is a local hormone; the other is not.
The structure of both compounds are as follows :

Prostagladins and leukotriene have 20 carbons in their main chain. Prostagladin contains a cyclopentyl ring but it is absent in leukotriene.
Answer: b)
31) Which of the following is the difference between prostaglandins and leukotrienes? A) One of them...
Sentence completion key terms review. (Pool 2 of 2) Select the keyword or phrase that will best complete each sentence. Key terms: Compounds that contain an OH group bonded directly to the carbonyl carbon -hydroxy acid are Fischer esterification The treatment of a carboxylic acid with and alcohol and an acid catalyst to form an ester is known as a Fischer esterification amide amine The cleavage of a chemical bond using water is known as hydrolysis. ammonia carboxylic acids A...
One difference between D-glucose and L-glucose is the open-chain form of L-glucose does not exist. it is not possible to make L-glucose. L-glucose has a 5-membered ring, and D-glucose has a 6-membered ring. O only D-glucose is found in disaccharides and polysaccharides. L-glucose cannot form a closed structure.
1)Match the name of each amino acid with one of its characteristics. 2)has a hydroxy group its aromatic side chain 3)has a sulfur atom in its side chain that can form disulfide bonds its side chain is a nonpolar isopropyl group 4)it has the smallest acidic side chain 5)this amino acid has the smallest side chain of all, a hydrogen atom 6)its side chain is a methyl group its side chain of 3 carbons forms a 5-membered ring with the...
QUESTION 4 Which of the following is the main structural difference between molecules of fats & oils vs. laboratory margarine. a. Each carbon atom in fats and oils has a total of 3 bonds, whereas each carbon atom in margarine has a total of 4 bonds. b. Each carbon atom in fats and oils has a total of 4 bonds, whereas each carbon atom in margarine has a total of 3 bonds. c. Fats and oils have more carbon-carbon single...
B TU. XX AD.A. E O T Normal No Spac. Heading 1 Heading 2 Title Font Paragraph Styles 18. The following amino acids are related in one way: five are related in another way, glu (E) his (H) leu (L.) gin(Q) pro (P) arg (R) Which of the following answer choices has the correct way they are all related (A): way one is different (B), and; the amino acid that is different (C! Answer All of them have (A) Only...
31. Which of the following is the one of copyrnese? HO 30.05. Questions 32-34. Base on the provided information below tow er Questions 32. The above is the A monosaccharide che projection of e esse all these one of these 33. The above Fischer projection of carbohydrate is A] the Lisomer the isomer C both and neither or E) It's impossible to tell trom a picture which isomer thisis. Section 11 34. Which of the following figures is the worth...
13. Which of the following would decrease the transition temperature for a mixture of triglycerides and cholesterol? A. Add glycerophospholipids with two (18:0). B. Reduce cholesterol concentration. C. Add triglycerides with two (16:1) and one (21:2) fatty acids. D. Add diacylglyerols with fully saturated fatty acids. 2. Add a low concentration of a wax." 14. Which of the following would result from the action of phospholipase Con a membran glycerophospholipid? A. Glycerol and two fatty acids B. One fatty acid...
Answer the following questions. 1. Which of the following is a key difference between firms in a perfectly competitive industry and firms in a monopolistically competitive industry? (Choose only one) a) A monopolistically competitive firm does not face entry from other firms. b) A monopolistically competitive firm does not have the exact same product as other firms. c) A monopolistically competitive firm does not choose a level of output where marginal cost is equal to marginal revenue. d) A monopolistically...
Which is a difference between hearing and equilibrium? One uses the vestibulocochlear nerve, and the other does not. One is stimulated by fluid movements in the cochlea, and the other is stimulated by movements in the vestibular apparatus. O One has receptor cells in the inner ear, and the other has receptor cells in the middle ear. O One uses mechanoreceptors, and the other uses sound receptors.
Chapters 21 and 22: 1. Consider the structure shown on the right and answer the following questions about it (ill in blanks or cirele proper choice) (4 a. Its molecular formula is G ,H( )0( , and so it fits the CHOH , general formula for a carbohydrate, which is b. Specifically, this structure is (a D/ an L) (aldo/keto) (pent/hex) (aselose) c. Will it be optically active? d. If the top carbon was converted to a CH,OH, would it...