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Which of the following is a correct description of waxes?


A) long chain esters
B) long chain ethers
C) long chain anhydrides
D) long chain fatty acids
E) long chain alcohols

Correct Answer

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How many different structures (including stereoisomers) are possible for a triglyceride that contains one palmitic acid residue, one arachidic acid residue and one stearic acid residue?


A) 3
B) 6
C) 9
D) 12
E) 15

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Phosphoglycerides that contain ethanolamine are called_____.


A) lecithins
B) phosphatidyl serines
C) plasmalogens
D) cephalins
E) biodiesel

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Following is the structure for PGF2 β\beta . What structural feature is represented by 2 β\beta ? Following is the structure for PGF<sub>2</sub><sub> \beta </sub>. What structural feature is represented by 2 \beta ? A) 2 represents the number of double bonds B) ( \beta represents the trans relationship between the two OH groups) C) ( \beta represents the trans relationship between the side chains) D) A and C E) A and B


A) 2 represents the number of double bonds
B) ( β\beta represents the trans relationship between the two OH groups)
C) ( β\beta represents the trans relationship between the side chains)
D) A and C
E) A and B

Correct Answer

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The reaction of triglycerides with a base is a(n) ________ reaction.


A) esterification
B) transesterification
C) saponification
D) autooxidation
E) oxidation

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Which of the following can be characteristics of prostaglandins?


A) five-membered cyclic ring
B) carbonyl group
C) two side chains
D) hydroxyl group
E) all of these

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Which of the following fatty acids are most likely to occur in a natural source? Which of the following fatty acids are most likely to occur in a natural source? A) I and III B) I, III and IV C) II and V D) IV and V E) I, III, IV and V Which of the following fatty acids are most likely to occur in a natural source? A) I and III B) I, III and IV C) II and V D) IV and V E) I, III, IV and V Which of the following fatty acids are most likely to occur in a natural source? A) I and III B) I, III and IV C) II and V D) IV and V E) I, III, IV and V Which of the following fatty acids are most likely to occur in a natural source? A) I and III B) I, III and IV C) II and V D) IV and V E) I, III, IV and V Which of the following fatty acids are most likely to occur in a natural source? A) I and III B) I, III and IV C) II and V D) IV and V E) I, III, IV and V


A) I and III
B) I, III and IV
C) II and V
D) IV and V
E) I, III, IV and V

Correct Answer

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Predict the major product when cholesterol is treated with peroxy acetic acid. Predict the major product when cholesterol is treated with peroxy acetic acid.

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11ea894b_ad74_3d84_bba7_9988c678dcc5_TB4454_00_TB4454_00

Which of the following lipids would produce two fatty acid residues along with ethanolamine on hydrolysis?


A) cephalins
B) phosphatidyl serines
C) triolein
D) lecithins
E) phospholipid

Correct Answer

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Which one of the following is a correct representation of PGEs? Which one of the following is a correct representation of PGEs? A) I B) II C) III D) IV E) V


A) I
B) II
C) III
D) IV
E) V

Correct Answer

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Birds have a layer of wax on their ______________, making them water repellant.


A) legs
B) feathers
C) ears
D) breast
E) eyes

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Which of the following is a common characteristic of prostaglandins PGA, PGB and PGC?

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They all have a carb...

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Which one of the following is used to treat the inflammatory condition caused by arthritis?


A) norethindrone
B) androsterone
C) cortisone
D) lanosterol
E) stanozolol

Correct Answer

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Which of the following hormones is (are) sex hormones in males?


A) testosterone
B) androsterone
C) cortisone
D) estradiol
E) both A and B

Correct Answer

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Arrange the following compounds in decreasing order of melting point. Arrange the following compounds in decreasing order of melting point. A) II > I > IV > III B) III > IV > I > II C) IV > I > II > III D) III > II > IV > I E) I > II > IV > III Arrange the following compounds in decreasing order of melting point. A) II > I > IV > III B) III > IV > I > II C) IV > I > II > III D) III > II > IV > I E) I > II > IV > III


A) II > I > IV > III
B) III > IV > I > II
C) IV > I > II > III
D) III > II > IV > I
E) I > II > IV > III

Correct Answer

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Which of the following hormones is (are) responsible for female sex hormones?


A) estrone
B) androsterone
C) cortisone
D) estradiol
E) both A and D

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Prostaglandins are made up of ___ carbon atoms.


A) 14
B) 16
C) 18
D) 20
E) 22

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D

Predict the product(s) for the following reaction. Predict the product(s) for the following reaction.

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Which of the following fatty acids is not likely to occur in a natural source?


A) octadecanoic acid
B) hexadecanoic acid
C) (Z) -9-hexadecenoic acid
D) pentadecanoic acid
E) (Z) -11-tetradecenoic acid

Correct Answer

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Which of the following reagent(s) would convert palmitoleic acid to palmitic acid?


A) NaBH4/CH3OH
B) 1. LiAlH4, 2. H2O
C) NaOH/H2O heat
D) H2/Ni
E) A and B

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D

Showing 1 - 20 of 123

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