Question 1

For the following question(s),identify the class of lipid to which each of the following molecules belongs.
-

Accepted Answer

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

Question 2

Which of the following is not a function of glycerophospholipids?

Accepted Answer

A) transport of triacylglycerols 
B) regulation of cellular permeability 
C) protect nerve cells 
D) aid in digestion 
E) transport of cholesterol 
A) transport of triacylglycerols 
B) regulation of cellular permeability 
C) protect nerve cells 
D) aid in digestion 
E) transport of cholesterol D

Question 3

Answer the following question(s)about the diagram shown below.  
-In the fluid-mosaic model that describes cell membranes,________.

Accepted Answer

A) there are three layers of phospholipid molecules 
B) two layers of phospholipid molecules have their nonpolar sections oriented to the inside of the membrane 
C) two layers of phospholipid molecules have their nonpolar sections along the outer surface of the membrane 
D) a single row of phospholipid molecules forms a barrier between the inside and outside of the cell 
E) two layers of proteins separate the contents inside a cell from the surrounding fluids 
A) there are three layers of phospholipid molecules 
B) two layers of phospholipid molecules have their nonpolar sections oriented to the inside of the membrane 
C) two layers of phospholipid molecules have their nonpolar sections along the outer surface of the membrane 
D) a single row of phospholipid molecules forms a barrier between the inside and outside of the cell 
E) two layers of proteins separate the contents inside a cell from the surrounding fluids B

Question 4

The catalyst needed for saponification is   ion.

Accepted Answer

A) True 
 B)False

Question 5

Synthesis of cholesterol takes place in the ________.

Accepted Answer

A) liver 
B) gall bladder 
C) small intestine 
D) large intestine 
E) pancreas 
A) liver 
B) gall bladder 
C) small intestine 
D) large intestine 
E) pancreas

Question 6

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

Question 7

Which of the following is a polyunsaturated fatty acid?

Accepted Answer

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

Question 8

The skeletal structure of palmitoleic acid is shown below.Palmitoleic acid is a ________.

Accepted Answer

A) saturated fatty acid 
B) polyunsaturated fatty acid 
C) monounsaturated fatty acid 
D) strong acid 
E) monosaturated fatty acid 
A) saturated fatty acid 
B) polyunsaturated fatty acid 
C) monounsaturated fatty acid 
D) strong acid 
E) monosaturated fatty acid

Question 9

Compared to saturated fatty acids,unsaturated fatty acids have ________.

Accepted Answer

A) longer carbon chains 
B) shorter carbon chains 
C) higher melting points 
D) lower melting points 
E) greater intermolecular attraction 
A) longer carbon chains 
B) shorter carbon chains 
C) higher melting points 
D) lower melting points 
E) greater intermolecular attraction

Question 10

A wax is composed of glycerol and three fatty acids.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

For the following question(s),identify the class of lipid to which each of the following molecules belongs.
-

Accepted Answer

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

Question 13

Glycerophospholipids can interact both with other lipids and water because they contain ________.

Accepted Answer

A) double bonds 
B) polar regions and nonpolar regions 
C) glycerol 
D) saturated fatty acids 
E) cholesterol 
A) double bonds 
B) polar regions and nonpolar regions 
C) glycerol 
D) saturated fatty acids 
E) cholesterol

Question 14

Cholesterol is a lipid.

Accepted Answer

A) True 
 B)False

Question 15

Prostaglandins are formed from ________ acid.

Accepted Answer

A) oleic 
B) linoleic 
C) arachidonic 
D) tauric 
E) palmitic 
A) oleic 
B) linoleic 
C) arachidonic 
D) tauric 
E) palmitic

Question 16

The name of the reaction that occurs when a fat reacts with sodium hydroxide and water is ________.

Accepted Answer

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

Question 17

Cholesterol contains fatty acids.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

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

Question 19

Margarine containing partially hydrogenated soybean oil is solid because ________.

Accepted Answer

A) it contains only saturated fats 
B) it contains only trans fatty acids 
C) some of its double bonds have been converted to single bonds 
D) it contains only cis carbon-carbon double bonds 
E) it contains only polyunsaturated fatty acids 
A) it contains only saturated fats 
B) it contains only trans fatty acids 
C) some of its double bonds have been converted to single bonds 
D) it contains only cis carbon-carbon double bonds 
E) it contains only polyunsaturated fatty acids

Question 20

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

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -

Which of the following is not a function of glycerophospholipids?

Answer the following question(s)about the diagram shown below. -In the fluid-mosaic model that describes cell membranes,________.

The catalyst needed for saponification is ion.

Synthesis of cholesterol takes place in the ________.

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

Which of the following is a polyunsaturated fatty acid?

The skeletal structure of palmitoleic acid is shown below.Palmitoleic acid is a ________.

Compared to saturated fatty acids,unsaturated fatty acids have ________.

A wax is composed of glycerol and three fatty acids.

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

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -

Glycerophospholipids can interact both with other lipids and water because they contain ________.

Cholesterol is a lipid.

Prostaglandins are formed from ________ acid.

The name of the reaction that occurs when a fat reacts with sodium hydroxide and water is ________.

Cholesterol contains fatty acids.

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

Margarine containing partially hydrogenated soybean oil is solid because ________.

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

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

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Exam 15: Lipids

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -

Which of the following is not a function of glycerophospholipids?

Answer the following question(s)about the diagram shown below. -In the fluid-mosaic model that describes cell membranes,________.

The catalyst needed for saponification is ion.

Synthesis of cholesterol takes place in the ________.

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

Which of the following is a polyunsaturated fatty acid?

The skeletal structure of palmitoleic acid is shown below.Palmitoleic acid is a ________.

Compared to saturated fatty acids,unsaturated fatty acids have ________.

A wax is composed of glycerol and three fatty acids.

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

For the following question(s),identify the class of lipid to which each of the following molecules belongs. -

Glycerophospholipids can interact both with other lipids and water because they contain ________.

Cholesterol is a lipid.

Prostaglandins are formed from ________ acid.

The name of the reaction that occurs when a fat reacts with sodium hydroxide and water is ________.

Cholesterol contains fatty acids.

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

Margarine containing partially hydrogenated soybean oil is solid because ________.

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

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters