Question 1

The following molecule represents a

Accepted Answer

A) phosphoglyceride 
B) terpene 
C) squalene 
D) prostaglandin 
E) steroid 
A) phosphoglyceride 
B) terpene 
C) squalene 
D) prostaglandin 
E) steroid

Question 2

Provide the structure of α-farnesene,a simple,acyclic sesquiterpene.

Accepted Answer

The answer of Provide the structure of α-farnesene,a simple,acyclic sesquiterpene....

Question 3

In the rod cells of the eye,retinol (vitamin
A)can be oxidized and then isomerized into an aldehyde and a cis double bond at C-11 to form a molecule called 11Z-retinal.Propose a structure for 11Z-retinal.

Accepted Answer

The answer of In the rod cells of the eye,retinol...

Question 4

Lycopene is a

Accepted Answer

A) monoterpene. 
B) sesquiterpene. 
C) diterpene. 
D) triterpene. 
E) tetraterpene. 
A) monoterpene. 
B) sesquiterpene. 
C) diterpene. 
D) triterpene. 
E) tetraterpene.

Question 5

A terpene is believed to have one of the structures below.Based on the isoprene rule,which structure is more likely.Explain your reasoning.

Accepted Answer

This compound contai

Question 6

What is the IUPAC name for isoprene?

Accepted Answer

A) 1,3-pentadiene 
B) 2,4-pentadiene 
C) 2,3-dimethyl-1,3-butadiene 
D) 2-methyl-1,3-butadiene 
E) none of the above 
A) 1,3-pentadiene 
B) 2,4-pentadiene 
C) 2,3-dimethyl-1,3-butadiene 
D) 2-methyl-1,3-butadiene 
E) none of the above

Question 7

Which of the following terms best describes the compound below? CH3(CH2)7CH   CH(CH2)7CO2H

Accepted Answer

A) an unsaturated fatty acid 
B) a triglyceride 
C) a synthetic detergent 
D) a micelle 
E) isoprene 
A) an unsaturated fatty acid 
B) a triglyceride 
C) a synthetic detergent 
D) a micelle 
E) isoprene

Question 8

The following molecule represents a

Accepted Answer

A) phosphoglyceride. 
B) terpene. 
C) squalene. 
D) prostaglandin. 
E) steroid. 
A) phosphoglyceride. 
B) terpene. 
C) squalene. 
D) prostaglandin. 
E) steroid.

Question 9

Which of the following is the major components of cell membranes?

Accepted Answer

A) phosphoglycerides 
B) sphingosine 
C) squalene 
D) prostaglandins 
E) terpenes 
A) phosphoglycerides 
B) sphingosine 
C) squalene 
D) prostaglandins 
E) terpenes

Question 10

What organic compounds are formed when linoleic acid,CH3(CH2)4CH   CHCH2CH   CH(CH2)7CO2H,is ozonolyzed and subsequently treated with H2O2?

Accepted Answer

CH₃(CH₂)₄CO₂H,

Question 11

Identify the compound with the highest melting point.

Accepted Answer

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

Question 12

Which of the following statements is true about terpenes?

Accepted Answer

A) They are a class of lipids that can be isolated from plants. 
B) They contain carbon atoms in multiples of five. 
C) They are composed of isoprene units joined together in a head-to-tail fashion. 
D) Tetraterpenes have 40 carbon atoms. 
E) all of the above 
A) They are a class of lipids that can be isolated from plants. 
B) They contain carbon atoms in multiples of five. 
C) They are composed of isoprene units joined together in a head-to-tail fashion. 
D) Tetraterpenes have 40 carbon atoms. 
E) all of the above

Question 13

Which of the following terms best describes the compound below? CH3(CH2)12CO2H

Accepted Answer

A) a fatty acid 
B) an oil 
C) a wax 
D) a soap 
E) a phosphatidic acid 
A) a fatty acid 
B) an oil 
C) a wax 
D) a soap 
E) a phosphatidic acid

Question 14

How many isoprene units are in β-carotene?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 7 
E) 8 
A) 4 
B) 5 
C) 6 
D) 7 
E) 8

Question 15

β-carotene is a

Accepted Answer

A) monoterpene. 
B) sesquiterpene. 
C) diterpene. 
D) triterpene. 
E) tetraterpene. 
A) monoterpene. 
B) sesquiterpene. 
C) diterpene. 
D) triterpene. 
E) tetraterpene.

Question 16

Why do most naturally occurring fatty acids contain an even number of carbon atoms?

Accepted Answer

Fatty acids are biosynthesized

Question 17

Myristic acid has the formula CH3(CH2)12CO2H.Provide the structure of the triglyceride trimyristin.

Accepted Answer

Exam 25: The Organic Chemistry of Lipids

The following molecule represents a

Provide the structure of α-farnesene,a simple,acyclic sesquiterpene.

In the rod cells of the eye,retinol (vitamin A)can be oxidized and then isomerized into an aldehyde and a cis double bond at C-11 to form a molecule called 11Z-retinal.Propose a structure for 11Z-retinal.

Lycopene is a

A terpene is believed to have one of the structures below.Based on the isoprene rule,which structure is more likely.Explain your reasoning.

What is the IUPAC name for isoprene?

Which of the following terms best describes the compound below? CH3(CH2)7CH CH(CH2)7CO2H

The following molecule represents a

Which of the following is the major components of cell membranes?

What organic compounds are formed when linoleic acid,CH3(CH2)4CH CHCH2CH CH(CH2)7CO2H,is ozonolyzed and subsequently treated with H2O2?

Identify the compound with the highest melting point.

Which of the following statements is true about terpenes?

Which of the following terms best describes the compound below? CH3(CH2)12CO2H

How many isoprene units are in β-carotene?

β-carotene is a

Why do most naturally occurring fatty acids contain an even number of carbon atoms?

Myristic acid has the formula CH3(CH2)12CO2H.Provide the structure of the triglyceride trimyristin.

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Which of the following terms best describes the compound below? CH₃(CH₂)₇CH CH(CH₂)₇CO₂H

What organic compounds are formed when linoleic acid,CH₃(CH₂)₄CH CHCH₂CH CH(CH₂)₇CO₂H,is ozonolyzed and subsequently treated with H₂O₂?

Which of the following terms best describes the compound below? CH₃(CH₂)₁₂CO₂H

Myristic acid has the formula CH₃(CH₂)₁₂CO₂H.Provide the structure of the triglyceride trimyristin.