Question 1

Fats are saponifiable lipids.

Accepted Answer

A) True 
 B)False

Question 2

The following structure is an example of what type of lipid?

Accepted Answer

A)  wax 
B)  oil 
C)  steroid 
D)  fat

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

Trans fatty acids are obtained from _____.

Accepted Answer

A)  fats 
B)  oils 
C)  churned butter 
D)  hydrogenated vegetable oil

Question 5

The only reliable way to reduce ones cholesterol levels is with a combination of diet,exercise and medication.

Accepted Answer

A) True 
 B)False

Question 6

The products of the reaction of a triglyceride with 3 M NaOH could be converted to the products of the hydrolysis of the same triglyceride by the

Accepted Answer

A)  addition of water. 
B)  addition of acid. 
C)  addition of more base. 
D)  The conversion cannot be done.

Question 7

The compound shown below is a triglyceride.

Accepted Answer

A) True 
 B)False

Question 8

An example of an endocrine gland is the _____.

Accepted Answer

A)  liver 
B)  gallbladder 
C)  pancreas 
D)  heart

Question 9

Estrogen is a male sex hormone.

Accepted Answer

A) True 
 B)False

Question 10

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 11

Prostaglandins are ___.

Accepted Answer

A)  produced by the prostate gland and have a hormone function 
B)  involved in the reproductive processes of the human female 
C)  inhibited by the drug aspirin 
D)  all of these responses are correct

Question 12

Adrenocorticoids are

Accepted Answer

A)  steroid hormones. 
B)  increased glucose in the body. 
C)  include testosterone. 
D)  a cause of nerve inflammation.

Question 13

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 14

The most common ring found in a prostaglandin is _____.

Accepted Answer

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

Question 15

Lipids are produced by animals and are hydrophilic compounds.

Accepted Answer

A) True 
 B)False

Question 16

This cellular organelle contains DNA which directs protein synthesis.

Accepted Answer

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

Question 17

Glycerol is an example of a(n)_____.

Accepted Answer

A)  alcohol 
B)  ester 
C)  carboxylic acid 
D)  ether

Question 18

Phospholipids found in plants are produced by those cells exposed to air in order to keep the plant from losing too much water.

Accepted Answer

A) True 
 B)False

Question 19

Upon hydrolysis,which of the following lipids would yield a carbohydrate as a product?

Accepted Answer

A)  phosphoglycerides 
B)  lecithins 
C)  cephalins 
D)  glycolipids

Question 20

The animal fats are classified as esters because of the way they are chemically produced.

Accepted Answer

A) True 
 B)False

Exam 18: Lipids

Fats are saponifiable lipids.

The following structure is an example of what type of lipid?

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

Trans fatty acids are obtained from _____.

The only reliable way to reduce ones cholesterol levels is with a combination of diet,exercise and medication.

The products of the reaction of a triglyceride with 3 M NaOH could be converted to the products of the hydrolysis of the same triglyceride by the

The compound shown below is a triglyceride.

An example of an endocrine gland is the _____.

Estrogen is a male sex hormone.

Biologically significant fatty acids usually have ____.

Prostaglandins are ___.

Adrenocorticoids are

Waxes differ from fats and oils in that

The most common ring found in a prostaglandin is _____.

Lipids are produced by animals and are hydrophilic compounds.

This cellular organelle contains DNA which directs protein synthesis.

Glycerol is an example of a(n) _____.

Phospholipids found in plants are produced by those cells exposed to air in order to keep the plant from losing too much water.

Upon hydrolysis,which of the following lipids would yield a carbohydrate as a product?

The animal fats are classified as esters because of the way they are chemically produced.