Question 1

Which of the following is a lipid?

Accepted Answer

A)  cholesterol
B)  nicotine
C)  aniline
D)  lactose
E)  collagen

Question 2

A wax is composed of glycerol and three fatty acids.

Accepted Answer

A) True 
 B)False

Question 3

Unsaturated fatty acids have lower melting points than saturated fatty acids because ________.

Accepted Answer

A)  they have fewer hydrogen atoms
B)  they have more hydrogen atoms
C)  their molecules fit closely together
D)  the cis double bonds give them an irregular shape
E)  the trans double bonds give them an irregular shape D

Question 4

Match between columns
                        Premises: a characteristic common to most lipids
a source of most saturated fats
the process of converting unsaturated fats into saturated fats
the functional group of triacylglycerols
form triacylglycerols when combined with glycerol
the product of reacting a triacylglycerol with a strong base and water
a fatty acid with at least one double bond
the melting points of saturated fats compared to unsaturated fats
a lipid that cannot be hydrolyzed

Accepted Answer

The Answer of fatty acids and ester and unsaturated and is...

Question 5

A double cheeseburger with bacon contains 39 g of fat.Calculate the number of kilocalories from fat.(1 gram of fat = 9 kcal)

Accepted Answer

A)  4.3 kcal from fat
B)  39 kcal from fat
C)  71 kcal from fat
D)  350 kcal from fat
E)  640 kcal from fat

Question 6

Which of the lipid types listed below is most soluble in water?

Accepted Answer

A)  triacylglycerols
B)  glycerolphospholipids
C)  oils
D)  steroids
E)  waxes

Question 7

Hydrogenation of a double bond in a triacylglycerol requires a catalyst.

Accepted Answer

A) True 
 B)False  True

Question 8

The skeletal structure below is that of a ________.

Accepted Answer

A)  wax
B)  fat
C)  glycerophospholipid
D)  steroid
E)  fatty acid

Question 9

The steroid hormone that increases the blood glucose and glycogen levels from fatty acids and amino acids is ________.

Accepted Answer

A)  aldosterone
B)  progesterone
C)  cortisone
D)  estrogen
E)  prednisone

Question 10

Commercially,liquid vegetable oils are converted to solid fats such as margarine by ________.

Accepted Answer

A)  hydrogenation
B)  hydrolysis
C)  hydration
D)  oxidation
E)  saponification

Question 11

Which of the following compounds is a glycerophospholipid?

Accepted Answer

A)  jojoba wax
B)  estrogen
C)  lecithin
D)  triolein
E)  stearic acid

Question 12

The most common type of gallstones is composed of almost pure ________.

Accepted Answer

A)  cholesterol
B)  waxes
C)  glycerophospholipids
D)  calcium salts of fatty acids
E)  anabolic steroids

Question 13

Which of the following is not a lipoprotein that carries nonpolar lipids through the bloodstream?

Accepted Answer

A)  glycerol
B)  LDL
C)  HDL
D)  VLDL
E)  chylomicron

Question 14

This skeletal structure represents a saturated fatty acid.

Accepted Answer

A) True 
 B)False  True

Question 15

Oleic acid is a saturated fatty acid.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following fatty acids is most likely to be a solid at room temperature?

Accepted Answer

A)  palmitoleic
B)  oleic
C)  stearic
D)  linoleic
E)  linolenic

Question 17

Fish such as salmon and tuna are high in omega-3 fatty acids.

Accepted Answer

A) True 
 B)False

Question 18

Match between columns
                        Premises: aldosterone
triolein
oleic acid
testosterone
cephalin

Accepted Answer

The Answer of steroid and glycerophospholipid and triacylglycerol and fatty is...

Question 19

Which of the following is a saturated fatty acid?

Accepted Answer

A)  oleic
B)  palmitoleicic
C)  linoleic
D)  arachidonic
E)  stearic

Question 20

Which of the following is an unsaturated fatty acid?

Accepted Answer

A)  oleic
B)  palmitic
C)  lauric
D)  myristic
E)  stearic

Exam 15: Lipids

Which of the following is a lipid?

Correct Answer
verified

A wax is composed of glycerol and three fatty acids.

Correct Answer
verified

Unsaturated fatty acids have lower melting points than saturated fatty acids because ________.

Correct Answer
verified
D

Match the following.

A double cheeseburger with bacon contains 39 g of fat.Calculate the number of kilocalories from fat.(1 gram of fat = 9 kcal)

Correct Answer
verified

Which of the lipid types listed below is most soluble in water?

Correct Answer
verified

Hydrogenation of a double bond in a triacylglycerol requires a catalyst.

Correct Answer
verified
True

The skeletal structure below is that of a ________.

Correct Answer
verified

The steroid hormone that increases the blood glucose and glycogen levels from fatty acids and amino acids is ________.

Correct Answer
verified

Commercially,liquid vegetable oils are converted to solid fats such as margarine by ________.

Correct Answer
verified

Which of the following compounds is a glycerophospholipid?

Correct Answer
verified

The most common type of gallstones is composed of almost pure ________.

Correct Answer
verified

Which of the following is not a lipoprotein that carries nonpolar lipids through the bloodstream?

Correct Answer
verified

This skeletal structure represents a saturated fatty acid.

Correct Answer
verified
True

Oleic acid is a saturated fatty acid.

Correct Answer
verified

Which of the following fatty acids is most likely to be a solid at room temperature?

Correct Answer
verified

Fish such as salmon and tuna are high in omega-3 fatty acids.

Correct Answer
verified

Select the type of lipid that matches the description.

Which of the following is a saturated fatty acid?

Correct Answer
verified

Which of the following is an unsaturated fatty acid?

Correct Answer
verified

Exam 15: Lipids

Which of the following is a lipid?

Correct AnswerverifiedShow Answer

A wax is composed of glycerol and three fatty acids.

Correct AnswerverifiedShow Answer

Unsaturated fatty acids have lower melting points than saturated fatty acids because ________.

Correct AnswerverifiedD

Match the following.

A double cheeseburger with bacon contains 39 g of fat.Calculate the number of kilocalories from fat.(1 gram of fat = 9 kcal)

Correct AnswerverifiedShow Answer

Which of the lipid types listed below is most soluble in water?

Correct AnswerverifiedShow Answer

Hydrogenation of a double bond in a triacylglycerol requires a catalyst.

Correct AnswerverifiedTrue

The skeletal structure below is that of a ________.

Correct AnswerverifiedShow Answer

The steroid hormone that increases the blood glucose and glycogen levels from fatty acids and amino acids is ________.

Correct AnswerverifiedShow Answer

Commercially,liquid vegetable oils are converted to solid fats such as margarine by ________.

Correct AnswerverifiedShow Answer

Which of the following compounds is a glycerophospholipid?

Correct AnswerverifiedShow Answer

The most common type of gallstones is composed of almost pure ________.

Correct AnswerverifiedShow Answer

Which of the following is not a lipoprotein that carries nonpolar lipids through the bloodstream?

Correct AnswerverifiedShow Answer

This skeletal structure represents a saturated fatty acid.

Correct AnswerverifiedTrue

Oleic acid is a saturated fatty acid.

Correct AnswerverifiedShow Answer

Which of the following fatty acids is most likely to be a solid at room temperature?

Correct AnswerverifiedShow Answer

Fish such as salmon and tuna are high in omega-3 fatty acids.

Correct AnswerverifiedShow Answer

Select the type of lipid that matches the description.

Which of the following is a saturated fatty acid?

Correct AnswerverifiedShow Answer

Which of the following is an unsaturated fatty acid?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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D

Correct Answer
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True

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True

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