Question 1

Aspirin blocks the biosynthesis of which of the following eicosanoids?

Accepted Answer

A)   leukotrienes
B)   prostaglandins
C)   thromboxanes
D)   prostacyclins
E)   C and DF) None of the above
G) A) and C)

Question 2

Which of the following is not a characteristic of prostaglandins?

Accepted Answer

A)   five-membered cyclic ring
B)   carbonyl group
C)   two side chains
D)   hydroxyl group
E)   six-membered monocyclic ringF) B) and E)
G) All of the above

Question 3

Which of the following is not a class of simple lipids?

Accepted Answer

A)   phospholipids
B)   prostaglandins
C)   terpenes
D)   steroidsE) A) and B)
F) None of the above

Question 4

Which one of the following is a precursor for the synthesis of prostaglandins?

Accepted Answer

A)   arachidonic acid
B)   linoleic acid
C)   cholesterol
D)   linolenic acid
E)   biodieselF) D) and E)
G) A) and E)

Question 5

Provide the structure of a lecithin that would produce two stearic acid residues on hydrolysis?

Accepted Answer

The answer of Provide the structure of a lecithin that...

Question 6

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

Accepted Answer

A)   cephalins
B)   phosphatidyl serines
C)   triolein
D)   lecithins
E)   phospholipidF) B) and E)
G) A) and C)

Question 7

Predict the product(s) for the following reaction.

Accepted Answer

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

Question 8

Which one of the following is a class of simple lipids?

Accepted Answer

A)   steroids
B)   triglycerides
C)   phoshpholipids
D)   waxes
E)   furansF) A) and B)
G) B) and E)

Question 9

Which of the following steroid hormones is secreted by the adrenal cortex?

Accepted Answer

A)   cortisone
B)   androsterone
C)   esrone
D)   lanosterol
E)   estradiolF) B) and E)
G) A) and D)

Question 10

Identify the substance that can be made from heating animal fat with wood ashes, which contain alkaline substances.

Accepted Answer

A)   detergent
B)   soap
C)   cooking oil
D)   kerosene
E)   biodieselF) C) and D)
G) C) and E)

Question 11

Complex lipids contain the _____________ functional group and are __________ in organic solvents.

Accepted Answer

A)   ester, not soluble
B)   ketone, not soluble
C)   alcohol, soluble
D)   ester, soluble
E)   ether, solubleF) A) and B)
G) None of the above

Question 12

Draw a chair conformation for the following compound.

Accepted Answer

The answer of Draw a chair conformation for the following...

Question 13

Sheep have ___________________ on their wool.

Accepted Answer

A)   oil
B)   lanolin
C)   spermaceti
D)   carnauba wax
E)   beeswaxF) A) and B)
G) A) and E)

Question 14

Following is the structure of zingiberene, found in ginger. Identify the isoprene units in zingiberene.

Accepted Answer

The answer of Following is the structure of zingiberene, found...

Question 15

Which of the following are the building blocks of terpenes?

Accepted Answer

A)   I and III
B)   II and III
C)   I and IV
D)   II and V
E)   II and IVF) All of the above
G) B) and E)

Question 16

Which of the following is a structure of a wax?

Accepted Answer

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

Question 17

Citral is best classified as a ___________.

Accepted Answer

A)   monoterpene
B)   diterpene
C)   sesquiterpene
D)   triterpene
E)   tetraterpeneF) B) and D)
G) C) and D)

Question 18

Which one of the following has the highest melting point?

Accepted Answer

A)   triolein
B)   trilinolein
C)   tripalmitolein
D)   trimyrisitinE) B) and C)
F) A) and C)

Question 19

Which of the following fatty acid(s)  is not likely to be present in natural fats and oils?

Accepted Answer

A)   octadecanoic acid
B)   heptadecanoic acid
C)   hexadecanoic acid
D)   octadeca-9,12-dienoic acid
E)   none of theseF) C) and E)
G) B) and D)

Question 20

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

Accepted Answer

A)   oleic acid
B)   linoleic acid
C)   palmitoleic acid
D)   arachidonic acid
E)   arachidic acidF) B) and E)
G) C) and E)

Exam 26: Lipids

Which of the following are the building blocks of terpenes?

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Provide the structure of a lecithin that would produce two stearic acid residues on hydrolysis?

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

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Which of the following is not a class of simple lipids?

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Which one of the following is a precursor for the synthesis of prostaglandins?

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Complex lipids contain the _____________ functional group and are __________ in organic solvents.

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Which of the following is a structure of a wax?

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

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Citral is best classified as a ___________.

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Draw a chair conformation for the following compound.

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Aspirin blocks the biosynthesis of which of the following eicosanoids?

Correct AnswerverifiedShow Answer

Predict the product(s) for the following reaction.

Correct AnswerverifiedShow Answer

Following is the structure of zingiberene, found in ginger. Identify the isoprene units in zingiberene.

Correct AnswerverifiedShow Answer

Which one of the following is a class of simple lipids?

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Sheep have ___________________ on their wool.

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Which one of the following has the highest melting point?

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Which of the following is not a characteristic of prostaglandins?

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Which of the following fatty acid(s) is not likely to be present in natural fats and oils?

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Identify the substance that can be made from heating animal fat with wood ashes, which contain alkaline substances.

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Which of the following steroid hormones is secreted by the adrenal cortex?

Correct AnswerverifiedShow Answer

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Complex lipids contain the ___ functional group and are in organic solvents.

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