Question 1

Which of the following is not an eicosanoid?

Accepted Answer

A) prostaglandin E2 
B) leukotriene C4 
C) thromboxane A2 
D) cholesterol 
A) prostaglandin E2 
B) leukotriene C4 
C) thromboxane A2 
D) cholesterol D

Question 2

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

Accepted Answer

A) 8R,12R 
B) 8R,12S 
C) 8S,12R 
D) 8S,12S 
A) 8R,12R 
B) 8R,12S 
C) 8S,12R 
D) 8S,12S A

Question 3

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 4

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 5

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

Accepted Answer

A) phospholipid 
B) cholesterol 
C) protein 
D) nucleic acid 
A) phospholipid 
B) cholesterol 
C) protein 
D) nucleic acid

Question 6

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

Accepted Answer

Question 7

Male sex hormones like testosterone are called _____________.

Accepted Answer

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

Question 8

All steroids have the common skeleton shown below.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

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

Question 10

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 11

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

Accepted Answer

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

Question 12

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 13

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

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 16

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 17

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 18

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 19

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

Accepted Answer

A) 9R,11R 
B) 9R,11S 
C) 9S,11R 
D) 9S,11S 
A) 9R,11R 
B) 9R,11S 
C) 9S,11R 
D) 9S,11S

Question 20

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

Accepted Answer

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

Exam 26: Lipids

Which of the following is not an eicosanoid?

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

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

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

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

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

Male sex hormones like testosterone are called _____________.

All steroids have the common skeleton shown below.

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

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

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

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

Which of the following is a synthetic detergent?

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

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

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 ___________.

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

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

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

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

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

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

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

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

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

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