Question 1

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

Accepted Answer

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

Question 2

Prostaglandins are made up of ___ carbon atoms.

Accepted Answer

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

Question 3

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

Accepted Answer

The answer of Predict the major product when cholesterol is...

Question 4

Phosphoglycerides that contain ethanolamine are called_____.

Accepted Answer

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

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

Arrange the following compounds in decreasing order of melting point.

Accepted Answer

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

Question 9

Predict the product(s) for the following reaction.

Accepted Answer

The answer of Predict the product(s) for the following reaction....

Question 10

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

Accepted Answer

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

Question 11

Which of the following can be characteristics of prostaglandins?

Accepted Answer

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

Question 12

Which of the following is a correct description of waxes?

Accepted Answer

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

Question 13

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

Accepted Answer

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

Question 14

Which one of the following is a correct representation of PGEs?

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

Which of the following fatty acids are most likely to occur in a natural source?

Accepted Answer

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

Question 17

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

Accepted Answer

They all have a carb

Question 18

Following is the structure for PGF2$\beta$. What structural feature is represented by 2$\beta$?

Accepted Answer

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)  ($\beta$ 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

Question 19

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?

Accepted Answer

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

Question 20

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

Accepted Answer

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

Exam 26: Lipids

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

Prostaglandins are made up of ___ carbon atoms.

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

Phosphoglycerides that contain ethanolamine are called_____.

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

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

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

Arrange the following compounds in decreasing order of melting point.

Predict the product(s) for the following reaction.

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

Which of the following can be characteristics of prostaglandins?

Which of the following is a correct description of waxes?

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

Which one of the following is a correct representation of PGEs?

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

Which of the following fatty acids are most likely to occur in a natural source?

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

Following is the structure for PGF2 β\betaβ . What structural feature is represented by 2 β\betaβ ?

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?

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

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Synthetic Polymers

Filters

Following is the structure for PGF₂_$\beta$. What structural feature is represented by 2 $\beta$ ? $Following is the structure for PGF<sub>2</sub><sub> \beta </sub>. What structural feature is represented by 2 \beta ?$