Question 1

When soaps disperse in water, the long hydrocarbon tails cluster together in a hydrophobic ball, while the ionic heads on the surface of the cluster stick out into the water. These spherical clusters are called ___________.

Accepted Answer

The answer of When soaps disperse in water, the long...

Question 2

What is the structure of choline, a component of phosphatidylcholine phospholipids?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) None of the above
F) A) and C)

Question 3

Which of the following is not found in a fluid mosaic lipid bilayer?

Accepted Answer

A)  phospholipid
B)  cholesterol
C)  protein
D)  nucleic acidE) None of the above
F) All of the above

Question 4

Which of the following is not an eicosanoid?

Accepted Answer

A)  prostaglandin E2
B)  leukotriene C4
C)  thromboxane A2
D)  cholesterolE) C) and D)
F) B) and C) D

Question 5

What is the structure of inositol, a component of phospholipids?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and C)
F) A) and D)

Question 6

CH3(CH2)12CO2H would be expected to be found in higher concentration in butter versus olive oil.

Accepted Answer

A) True 
 B)False

Question 7

The family of C20 lipids that contain a five-membered ring with two long side chains are called ____________________.

Accepted Answer

Question 8

The structure of acetyl-CoA is shown below and is a building block from which steroids are produced.

Accepted Answer

A) True 
 B)False

Question 9

What is the E/Z configuration of the carbon-carbon double bonds at C-5 and C-13 of prostaglandin F2 α\alphaα 
? 2 \alpha  ?   A) 5E,13E B) 5E,13Z C) 5Z,13E D) 5Z,13Z " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  5E,13E
B)  5E,13Z
C)  5Z,13E
D)  5Z,13Z E) B) and D)
F) B) and C)

Question 10

Consider the following.  Structure ____ would be classified as an ordinary soap.

Accepted Answer

The answer of Consider the following.  Structure ____ would...

Question 11

Briefly describe the chemical reaction that is used to "harden" a vegetable oil to give a fat.

Accepted Answer

The carbon-carbon double bonds...

Question 12

Male sex hormones like testosterone are called _____________.

Accepted Answer

The answer of Male sex hormones like testosterone are called...

Question 13

Why do hydrogenated fats have higher boiling points than the triglycerides from which they are derived?

Accepted Answer

The saturated side chains of h...

Question 14

What is the R/S configuration of C-8 and C-12 of prostaglandin F2 α\alphaα 
? 2 \alpha  ?   A) 8R,12R B) 8R,12S C) 8S,12R D) 8S,12S " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  8R,12R
B)  8R,12S
C)  8S,12R
D)  8S,12S E) A) and B)
F) B) and C) A

Question 15

Which of the following is a synthetic detergent?

Accepted Answer

A)  sodium 4-dodecylbenzenesulfonate
B)  N-(2-hydroxyethyl) dodecanamide
C)  sodium perborate dihydrate
D)  sodium palmitateE) C) and D)
F) A) and B)

Question 16

What are the roles of LDL and HDL? Which one is "good" cholesterol, which one is bad"?

Accepted Answer

Low density lipoprotein (LDL) is a prote...

Question 17

What is the R/S configuration of C-9 and C-11 of prostaglandin F2 α\alphaα 
? 2 \alpha  ?   A) 9R,11R B) 9R,11S C) 9S,11R D) 9S,11S " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  9R,11R
B)  9R,11S
C)  9S,11R
D)  9S,11S E) B) and D)
F) A) and B)

Question 18

All steroids have the common skeleton shown below.

Accepted Answer

A) True 
 B)False

Question 19

Consider the following substance.  The melting point of the above substance will be _________ than that of the substance listed below.

Accepted Answer

less lower

Question 20

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

Accepted Answer

A)  lauric acid
B)  myristic acid
C)  palmitic acid
D)  stearic acidE) All of the above
F) B) and D)

Exam 26: Lipids

When soaps disperse in water, the long hydrocarbon tails cluster together in a hydrophobic ball, while the ionic heads on the surface of the cluster stick out into the water. These spherical clusters are called ___________.

Correct AnswerverifiedShow Answer

What is the structure of choline, a component of phosphatidylcholine phospholipids?

Correct AnswerverifiedShow Answer

Which of the following is not found in a fluid mosaic lipid bilayer?

Correct AnswerverifiedShow Answer

Which of the following is not an eicosanoid?

Correct AnswerverifiedD

What is the structure of inositol, a component of phospholipids?

Correct AnswerverifiedShow Answer

CH3(CH2)12CO2H would be expected to be found in higher concentration in butter versus olive oil.

Correct AnswerverifiedShow Answer

The family of C20 lipids that contain a five-membered ring with two long side chains are called ____________________.

Correct AnswerverifiedShow Answer

The structure of acetyl-CoA is shown below and is a building block from which steroids are produced.

Correct AnswerverifiedShow Answer

What is the E/Z configuration of the carbon-carbon double bonds at C-5 and C-13 of prostaglandin F2 α\alphaα ?

Correct AnswerverifiedShow Answer

Consider the following. Structure ____ would be classified as an ordinary soap.

Correct AnswerverifiedShow Answer

Briefly describe the chemical reaction that is used to "harden" a vegetable oil to give a fat.

Correct AnswerverifiedThe carbon-carbon double bonds...View AnswerShow Answer

Male sex hormones like testosterone are called _____________.

Correct AnswerverifiedShow Answer

Why do hydrogenated fats have higher boiling points than the triglycerides from which they are derived?

Correct AnswerverifiedThe saturated side chains of h...View AnswerShow Answer

What is the R/S configuration of C-8 and C-12 of prostaglandin F2 α\alphaα ?

Correct AnswerverifiedA

Which of the following is a synthetic detergent?

Correct AnswerverifiedShow Answer

What are the roles of LDL and HDL? Which one is "good" cholesterol, which one is bad"?

Correct AnswerverifiedLow density lipoprotein (LDL) is a prote...View AnswerShow Answer

What is the R/S configuration of C-9 and C-11 of prostaglandin F2 α\alphaα ?

Correct AnswerverifiedShow Answer

All steroids have the common skeleton shown below.

Correct AnswerverifiedShow Answer

Consider the following substance. The melting point of the above substance will be _________ than that of the substance listed below.

Correct Answerverifiedless lower

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

CH₃(CH₂)₁₂CO₂H would be expected to be found in higher concentration in butter versus olive oil.

Correct Answer
verified

The family of C₂₀ lipids that contain a five-membered ring with two long side chains are called ____________________.

Correct Answer
verified

Correct Answer
verified

What is the E/Z configuration of the carbon-carbon double bonds at C-5 and C-13 of prostaglandin F₂_$\alpha$? $What is the E/Z configuration of the carbon-carbon double bonds at C-5 and C-13 of prostaglandin F<sub>2</sub><sub> \alpha </sub>? A) 5E,13E B) 5E,13Z C) 5Z,13E D) 5Z,13Z$

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The carbon-carbon double bonds...
View Answer

Correct Answer
verified

Correct Answer
verified
The saturated side chains of h...
View Answer

What is the R/S configuration of C-8 and C-12 of prostaglandin F₂_$\alpha$? $What is the R/S configuration of C-8 and C-12 of prostaglandin F<sub>2</sub><sub> \alpha </sub>? A) 8R,12R B) 8R,12S C) 8S,12R D) 8S,12S$

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified
Low density lipoprotein (LDL) is a prote...
View Answer

What is the R/S configuration of C-9 and C-11 of prostaglandin F₂_$\alpha$? $What is the R/S configuration of C-9 and C-11 of prostaglandin F<sub>2</sub><sub> \alpha </sub>? A) 9R,11R B) 9R,11S C) 9S,11R D) 9S,11S$

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
less lower

Correct Answer
verified