Question 1

The most common ring found in a prostaglandin is _____.

Accepted Answer

A) cyclohexane 
B) cyclopentane 
C) phenanthrene 
D) pyran

Question 2

Consider the figure below.To produce a cephalin,which of the species listed below might be used to replace the fatty acid shown in the box?

Accepted Answer

A)   
B)   
C)   
D)

Question 3

Steroids are classified as lipids because they have this distinguishing feature.

Accepted Answer

A) dissolve in nonpolar solvents 
B) are present in biological materials 
C) can be saponified 
D) have a ring structure

Question 4

Estrogen is a male sex hormone.

Accepted Answer

A) True 
 B)False

Question 5

The hormone that helps to regulate the level of sodium ions in the blood is _____.

Accepted Answer

A) aldosterone 
B) vasopressin 
C) insulin 
D) progesterone

Question 6

This cellular organelle contains DNA which directs protein synthesis.

Accepted Answer

A) endoplasmic reticulum 
B) lysosome 
C) Golgi apparatus 
D) nucleus

Question 7

Biologically significant fatty acids usually have ____.

Accepted Answer

A) an odd number of carbon atoms 
B) an even number of carbon atoms 
C) an odd number of oxygen atoms 
D) an odd number of oxygen atoms and an odd number of carbon atoms

Question 8

The compound shown below is a triglyceride.

Accepted Answer

A) True 
 B)False

Question 9

A compound that is classified as a triglyceride is also a triacylglycerol.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is a characteristic of a lipid?

Accepted Answer

A) Most lipids are soluble in water. 
B) Most lipids are waxy. 
C) Lipids are found only in animals. 
D) Most lipids are high density.

Question 11

The function of this cellular organelle is cellular respiration and energy production.

Accepted Answer

A) endoplasmic reticulum 
B) lysosome 
C) mitochondria 
D) nucleus

Question 12

Tay-Sachs disease,an abnormal accumulation of glycolipid,affects the spleen.

Accepted Answer

A) True 
 B)False

Question 13

Methandrostenolone,a common anabolic steroid,will have what possible side effect if taken frequently?

Accepted Answer

A) testicular atrophy 
B) acne 
C) liver tumors 
D) all the choices

Question 14

Prostaglandins are synthesized in the body from steroids.

Accepted Answer

A) True 
 B)False

Question 15

The most abundant steroid in the body is cholesterol.

Accepted Answer

A) True 
 B)False

Question 16

A phosphoglyceride containing a choline component is called a _____.

Accepted Answer

A) sphingolipid 
B) cephaline 
C) glycolipid 
D) lecithin

Question 17

An example of a simple lipid is a _____.

Accepted Answer

A) wax 
B) terpene 
C) steroid 
D) phospholipid

Question 18

What are the risks of estrogen therapy?

Accepted Answer

A) breast cancer 
B) endometrial cancer 
C) increased cholesterol 
D) a & b,but not c

Question 19

Waxes differ from fats and oils in that

Accepted Answer

A) no fatty acids are produced upon hydrolysis. 
B) they are not easily hydrolyzed. 
C) the alcohol produced upon hydrolysis is not glycerol. 
D) More than one response is correct.

Question 20

Prednisolone,an anti-inflammatory,is a glucocorticoid and therefore would be expected to be represented by which of the following structures?

Accepted Answer

A)   
B)   
C)   
D)

Exam 18: Lipids

The most common ring found in a prostaglandin is _____.

Consider the figure below.To produce a cephalin,which of the species listed below might be used to replace the fatty acid shown in the box?

Steroids are classified as lipids because they have this distinguishing feature.

Estrogen is a male sex hormone.

The hormone that helps to regulate the level of sodium ions in the blood is _____.

This cellular organelle contains DNA which directs protein synthesis.

Biologically significant fatty acids usually have ____.

The compound shown below is a triglyceride.

A compound that is classified as a triglyceride is also a triacylglycerol.

Which of the following is a characteristic of a lipid?

The function of this cellular organelle is cellular respiration and energy production.

Tay-Sachs disease,an abnormal accumulation of glycolipid,affects the spleen.

Methandrostenolone,a common anabolic steroid,will have what possible side effect if taken frequently?

Prostaglandins are synthesized in the body from steroids.

The most abundant steroid in the body is cholesterol.

A phosphoglyceride containing a choline component is called a _____.

An example of a simple lipid is a _____.

What are the risks of estrogen therapy?

Waxes differ from fats and oils in that

Prednisolone,an anti-inflammatory,is a glucocorticoid and therefore would be expected to be represented by which of the following structures?