Question 1

Which one of the following is a male sex hormone?

Accepted Answer

A)   estrone
B)   androsterone
C)   cortisone
D)   lanosterol
E)   progesteroneF) A) and E)
G) A) and D)

Question 2

Which one of the following is a simple lipid?

Accepted Answer

A)   lecithin
B)   tripalmitin
C)   sodium lauryl sulfate
D)   androsterone
E)   carbohydratesF) B) and E)
G) None of the above

Question 3

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 acidF) A) and E)
G) A) and D)

Question 4

Predict the product for the following reaction.

Accepted Answer

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

Question 5

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 6

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

Accepted Answer

A)   leukotrienes
B)   prostaglandins
C)   thromboxanes
D)   prostacyclins
E)   all of theseF) C) and D)
G) A) and D)

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 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 IVF) B) and D)
G) B) and E)

Question 9

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

Accepted Answer

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

Question 10

Identify a phosphatidic acid.

Accepted Answer

A)   phosphoric acid
B)   phosphoric acid monoester
C)   phosphoric acid diester
D)   phosphoric acid trimesterE) C) and D)
F) A) and B)

Question 11

Insects have a protective coating of wax on their _____________.

Accepted Answer

A)   exoskeleton
B)   antenna
C)   legs
D)   eyes
E)   hairF) A) and D)
G) C) and D)

Question 12

Phosphoglycerides that contain choline are called_____.

Accepted Answer

A)   lecithins
B)   phosphatidyl serines
C)   plasmalogens
D)   cephalins
E)   biodieselF) A) and C)
G) B) and D)

Question 13

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 CF) B) and E)
G) C) and E)

Question 14

______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 15

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 transF) B) and D)
G) A) and D)

Question 16

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 theseF) B) and C)
G) B) and E)

Question 17

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 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 acidF) All of the above
G) A) and D)

Question 19

Which of the following compounds is a phosphatidic acid?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   none of theseF) A) and E)
G) All of the above

Question 20

Predict the product for the following reaction.

Accepted Answer

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

Exam 26: Lipids

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Insects have a protective coating of wax on their _____________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Phosphoglycerides that contain choline are called_____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Predict the product for the following reaction.

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Which of the following compounds is a phosphatidic acid?

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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.

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Which one of the following is a male sex hormone?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Predict the product for the following reaction.

Correct AnswerverifiedShow Answer

Which one of the following is a simple lipid?

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

Correct AnswerverifiedShow Answer

Identify a phosphatidic acid.

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

Correct AnswerverifiedShow Answer

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

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