Question 1

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 2

Which of the following is(are) synthesized from arachidonic acid?

Accepted Answer

A)  leukotrienes 
B)  prostaglandins 
C)  thromboxanes 
D)  prostacyclins 
E)  all of these 
A)  leukotrienes 
B)  prostaglandins 
C)  thromboxanes 
D)  prostacyclins 
E)  all of these

Question 3

In estrone the B-C ring fusion is ______and the C-D ring fusion is ______.

Accepted Answer

A)  cis, trans 
B)  cis, cis 
C)  trans, cis 
D)  trans, trans 
E)  both cis and trans, both cis and trans 
A)  cis, trans 
B)  cis, cis 
C)  trans, cis 
D)  trans, trans 
E)  both cis and trans, both cis and trans

Question 4

______lipids do not undergo hydrolysis in the presence of aqueous acid or base.

Accepted Answer

The answer of ______lipids do not undergo hydrolysis in the...

Question 5

Phosphoglycerides that contain choline 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 6

An optically inactive triglyceride produced two palmitic acid residues and one oleic acid residue, when heated in the presence of an acid. Provide the structure(s) for this triglyceride.

Accepted Answer

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

Question 7

Predict the major product when cholesterol is treated with hydrogen in the presence of a palladium catalyst.

Accepted Answer

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

Question 8

Which of the following statements is (are) true about lipids?

Accepted Answer

A)  Lipids are soluble in nonpolar organic solvents 
B)  Lipids include waxes, steroids, and triacylglycerides 
C)  Lipids have little in common except their solubility 
D)  Many lipids have biological roles 
E)  all of these 
A)  Lipids are soluble in nonpolar organic solvents 
B)  Lipids include waxes, steroids, and triacylglycerides 
C)  Lipids have little in common except their solubility 
D)  Many lipids have biological roles 
E)  all of these

Question 9

A triglyceride produced a linoleic acid residue, a palmitoleic acid residue and an oleic acid residue, when heated in the presence of an acid. Provide one of the possible structures for this triglyceride.

Accepted Answer

The answer of A triglyceride produced a linoleic acid residue,...

Question 10

Identify a phosphatidic acid.

Accepted Answer

A)  phosphoric acid 
B)  phosphoric acid monoester 
C)  phosphoric acid diester 
D)  phosphoric acid trimester 
A)  phosphoric acid 
B)  phosphoric acid monoester 
C)  phosphoric acid diester 
D)  phosphoric acid trimester

Question 11

Which of the following compounds is (are) used as a soap?

Accepted Answer

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

Question 12

Insects have a protective coating of wax on their _____________.

Accepted Answer

A)  exoskeleton 
B)  antenna 
C)  legs 
D)  eyes 
E)  hair 
A)  exoskeleton 
B)  antenna 
C)  legs 
D)  eyes 
E)  hair

Question 13

Which one of the following is a male sex hormone?

Accepted Answer

A)  estrone 
B)  androsterone 
C)  cortisone 
D)  lanosterol 
E)  progesterone 
A)  estrone 
B)  androsterone 
C)  cortisone 
D)  lanosterol 
E)  progesterone

Question 14

Predict the product when cholesterol is treated with acetyl chloride in presence of pyridine.

Accepted Answer

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

Question 15

Which one of the following is a simple lipid?

Accepted Answer

A)  lecithin 
B)  tripalmitin 
C)  sodium lauryl sulfate 
D)  androsterone 
E)  carbohydrates 
A)  lecithin 
B)  tripalmitin 
C)  sodium lauryl sulfate 
D)  androsterone 
E)  carbohydrates

Question 16

Which of the following is the structure of a cephalin that would produce one equivalent of oleic acid and one equivalent of stearic acid residues on hydrolysis?

Accepted Answer

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

Question 17

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 18

Which one of the following fatty acids has the highest melting point?

Accepted Answer

A)  stearic acid 
B)  palmitic acid 
C)  lauric acid 
D)  arachidic acid 
E)  oleic acid 
A)  stearic acid 
B)  palmitic acid 
C)  lauric acid 
D)  arachidic acid 
E)  oleic acid

Question 19

Which of the following compounds is a phosphatidic acid?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of these

Question 20

Which one of the following fatty acids has the lowest melting point?

Accepted Answer

A)  stearic acid 
B)  palmitic acid 
C)  lauric acid 
D)  arachidic acid 
E)  myristic acid 
A)  stearic acid 
B)  palmitic acid 
C)  lauric acid 
D)  arachidic acid 
E)  myristic acid

Exam 26: Lipids

Predict the product for the following reaction.

Which of the following is(are) synthesized from arachidonic acid?

In estrone the B-C ring fusion is ______and the C-D ring fusion is ______.

______lipids do not undergo hydrolysis in the presence of aqueous acid or base.

Phosphoglycerides that contain choline are called_____.

An optically inactive triglyceride produced two palmitic acid residues and one oleic acid residue, when heated in the presence of an acid. Provide the structure(s) for this triglyceride.

Predict the major product when cholesterol is treated with hydrogen in the presence of a palladium catalyst.

Which of the following statements is (are) true about lipids?

A triglyceride produced a linoleic acid residue, a palmitoleic acid residue and an oleic acid residue, when heated in the presence of an acid. Provide one of the possible structures for this triglyceride.

Identify a phosphatidic acid.

Which of the following compounds is (are) used as a soap?

Insects have a protective coating of wax on their _____________.

Which one of the following is a male sex hormone?

Predict the product when cholesterol is treated with acetyl chloride in presence of pyridine.

Which one of the following is a simple lipid?

Which of the following is the structure of a cephalin that would produce one equivalent of oleic acid and one equivalent of stearic acid residues on hydrolysis?

Predict the product for the following reaction.

Which one of the following fatty acids has the highest melting point?

Which of the following compounds is a phosphatidic acid?

Which one of the following fatty acids has the lowest melting point?

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

In estrone the B-C ring fusion is and the C-D ring fusion is .