Question 1

The following molecule is a cerebroside.What characteristics does this molecule have?

Accepted Answer

A)  The molecule has a sphingosine backbone and a monosaccharide. 
B)  The molecule has a glycerol backbone and a galactose sugar. 
C)  The molecule contains an amine. 
D)  The molecule has a sphingosine backbone and a glucose sugar. 
E)  The molecule has a glycerol backbone and a glucose sugar. 
A)  The molecule has a sphingosine backbone and a monosaccharide. 
B)  The molecule has a glycerol backbone and a galactose sugar. 
C)  The molecule contains an amine. 
D)  The molecule has a sphingosine backbone and a glucose sugar. 
E)  The molecule has a glycerol backbone and a glucose sugar.

Question 2

The portion of the molecule that is boxed is called

Accepted Answer

A)  the amino acid backbone. 
B)  the glycerol backbone. 
C)  the phosphate backbone. 
D)  a saturated fatty acid. 
E)  an unsaturated fatty acid. 
A)  the amino acid backbone. 
B)  the glycerol backbone. 
C)  the phosphate backbone. 
D)  a saturated fatty acid. 
E)  an unsaturated fatty acid.

Question 3

Amphipathic molecules can interact with both lipids and water because they contain

Accepted Answer

A)  an ester. 
B)  sphingosine. 
C)  polar regions and nonpolar regions. 
D)  cholesterol. 
E)  saturated fatty acids. 
A)  an ester. 
B)  sphingosine. 
C)  polar regions and nonpolar regions. 
D)  cholesterol. 
E)  saturated fatty acids.

Question 4

Which statement describes lipids?

Accepted Answer

A)  Lipids all have the steroid backbone. 
B)  The body stores excess calories as lipids. 
C)  Lipids are insoluble in water but soluble in nonpolar solvents. 
D)  Lipids are soluble in water but insoluble in nonpolar solvents. 
E)  Lipids are insoluble in all solvents. 
A)  Lipids all have the steroid backbone. 
B)  The body stores excess calories as lipids. 
C)  Lipids are insoluble in water but soluble in nonpolar solvents. 
D)  Lipids are soluble in water but insoluble in nonpolar solvents. 
E)  Lipids are insoluble in all solvents.

Question 5

Which statement BEST describes why VLDL is considered "bad cholesterol"?

Accepted Answer

A)  It has the lowest density. 
B)  It is the largest lipoprotein. 
C)  It scavenges excess cholesterol and takes it to the liver. 
D)  It takes triacylglycerols to adipocytes. 
E)  It converts cholesterol into bile salts. 
A)  It has the lowest density. 
B)  It is the largest lipoprotein. 
C)  It scavenges excess cholesterol and takes it to the liver. 
D)  It takes triacylglycerols to adipocytes. 
E)  It converts cholesterol into bile salts.

Question 6

These hormones regulate ion balances in tissues.

Accepted Answer

A)  glucocorticoids 
B)  mineralocorticoids 
C)  progestins 
D)  androgens 
E)  estrogens 
A)  glucocorticoids 
B)  mineralocorticoids 
C)  progestins 
D)  androgens 
E)  estrogens

Question 7

Which choice correctly numbers linolenic acid (shown below)using the delta system?

Accepted Answer

A)  Δ9,12,15 
B)  Δ9 
C)  Δ3 
D)  Δ3,6,9 
E)  Δ9,12 
A)  Δ9,12,15 
B)  Δ9 
C)  Δ3 
D)  Δ3,6,9 
E)  Δ9,12

Question 8

In the following illustration of a cell membrane, the molecules labeled (E)are

Accepted Answer

A)  steroids. 
B)  proteins. 
C)  carbohydrate side chains. 
D)  phospholipids. 
E)  glycerophospholipids. 
A)  steroids. 
B)  proteins. 
C)  carbohydrate side chains. 
D)  phospholipids. 
E)  glycerophospholipids.

Question 9

As VLDLs deliver their triacylglycerols to cells, the lipoproteins become

Accepted Answer

A)  chylomicrons only. 
B)  chylomicrons and VLDL. 
C)  IDL and LDL. 
D)  LDL and HDL. 
E)  all other lipoproteins. 
A)  chylomicrons only. 
B)  chylomicrons and VLDL. 
C)  IDL and LDL. 
D)  LDL and HDL. 
E)  all other lipoproteins.

Question 10

Which type of lipids is involved in the body's inflammatory response?

Accepted Answer

A)  triacylglycerol 
B)  phospholipid 
C)  glycolipid 
D)  steroid 
E)  eicosanoid 
A)  triacylglycerol 
B)  phospholipid 
C)  glycolipid 
D)  steroid 
E)  eicosanoid

Question 11

Which figure BEST illustrates how the lipid bilayer is normally arranged in a cell membrane?

Accepted Answer

A)  figure a 
B)  figure b 
C)  figure c 
D)  figure d 
E)  The bilayer would disintegrate. 
A)  figure a 
B)  figure b 
C)  figure c 
D)  figure d 
E)  The bilayer would disintegrate.

Question 12

About how long do an average adult male's fat stores last?

Accepted Answer

A)  about an hour 
B)  about a day 
C)  about a week 
D)  several weeks 
E)  several years 
A)  about an hour 
B)  about a day 
C)  about a week 
D)  several weeks 
E)  several years

Question 13

Blood is drawn from a patient to measure their "cholesterol levels".What is measured by this test?

Accepted Answer

A)  the concentration of cholesterol in the blood 
B)  the concentration of cholesterol in the liver 
C)  the concentration of lipoproteins in the blood 
D)  bile acids 
E)  the concentration of all lipids in the blood 
A)  the concentration of cholesterol in the blood 
B)  the concentration of cholesterol in the liver 
C)  the concentration of lipoproteins in the blood 
D)  bile acids 
E)  the concentration of all lipids in the blood

Question 14

Which statement BEST describes the purpose of a lipoprotein?

Accepted Answer

A)  Lipoproteins metabolize lipids into new substances. 
B)  Lipoproteins transport lipids in the body. 
C)  Lipoproteins dissolve lipids in urine. 
D)  Lipoproteins store lipids. 
E)  Lipoproteins dissolve polar lipids for excretion. 
A)  Lipoproteins metabolize lipids into new substances. 
B)  Lipoproteins transport lipids in the body. 
C)  Lipoproteins dissolve lipids in urine. 
D)  Lipoproteins store lipids. 
E)  Lipoproteins dissolve polar lipids for excretion.

Question 15

This type of lipoprotein is often called "bad cholesterol."

Accepted Answer

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

Question 16

The polar component of the cell membrane below corresponds to which part of the molecule in the following glycerophospholipid?   ​

Accepted Answer

A)  component 1 
B)  component 2 
C)  component 3 
D)  component 4 
E)  components 2 and 3 
A)  component 1 
B)  component 2 
C)  component 3 
D)  component 4 
E)  components 2 and 3

Question 17

Predict the order of melting point from lowest to highest for the fatty acids below.

Accepted Answer

A)  stearic < oleic < palmitic < arachidonic < linoleic 
B)  arachidonic < linoleic < oleic < palmitic < stearic 
C)  arachidonic < stearic < oleic < palmitic < linoleic 
D)  oleic < palmitic < arachidonic < linoleic < stearic 
E)  palmitic < stearic < oleic < arachidonic < linoleic 
A)  stearic < oleic < palmitic < arachidonic < linoleic 
B)  arachidonic < linoleic < oleic < palmitic < stearic 
C)  arachidonic < stearic < oleic < palmitic < linoleic 
D)  oleic < palmitic < arachidonic < linoleic < stearic 
E)  palmitic < stearic < oleic < arachidonic < linoleic

Question 18

A patient sprained her knee in a game of basketball and presents with swelling and pain.Which statement BEST describes why the swelling occurs?

Accepted Answer

A)  Leukotrienes make blood vessels more permeable, leading to the delivery of immune system cells to the damaged tissue. 
B)  Broken blood vessels bleed into the injured area, making it swell. 
C)  The increase in temperature by prostaglandins results in increased blood flow to the area. 
D)  Thromboxanes isolate the injured tissue, resulting in swelling. 
E)  All of the above describe why swelling occurs. 
A)  Leukotrienes make blood vessels more permeable, leading to the delivery of immune system cells to the damaged tissue. 
B)  Broken blood vessels bleed into the injured area, making it swell. 
C)  The increase in temperature by prostaglandins results in increased blood flow to the area. 
D)  Thromboxanes isolate the injured tissue, resulting in swelling. 
E)  All of the above describe why swelling occurs.

Question 19

Which choice correctly numbers pinolenic acid (shown below)using the omega system?

Accepted Answer

A)  omega-5,9.12 
B)  omega-5 
C)  omega-3 
D)  omega-6 
E)  omega-6,9,13 
A)  omega-5,9.12 
B)  omega-5 
C)  omega-3 
D)  omega-6 
E)  omega-6,9,13

Question 20

The type of molecules that make up the majority of the cell membrane are

Accepted Answer

A)  phospholipids. 
B)  steroids. 
C)  transmembrane proteins. 
D)  carbohydrates. 
E)  cholesterol. 
A)  phospholipids. 
B)  steroids. 
C)  transmembrane proteins. 
D)  carbohydrates. 
E)  cholesterol.

The following molecule is a cerebroside.What characteristics does this molecule have?

The portion of the molecule that is boxed is called

Amphipathic molecules can interact with both lipids and water because they contain

Which statement describes lipids?

Which statement BEST describes why VLDL is considered "bad cholesterol"?

These hormones regulate ion balances in tissues.

Which choice correctly numbers linolenic acid (shown below)using the delta system?

In the following illustration of a cell membrane, the molecules labeled (E)are

As VLDLs deliver their triacylglycerols to cells, the lipoproteins become

Which type of lipids is involved in the body's inflammatory response?

Which figure BEST illustrates how the lipid bilayer is normally arranged in a cell membrane?

About how long do an average adult male's fat stores last?

Blood is drawn from a patient to measure their "cholesterol levels".What is measured by this test?

Which statement BEST describes the purpose of a lipoprotein?

This type of lipoprotein is often called "bad cholesterol."

The polar component of the cell membrane below corresponds to which part of the molecule in the following glycerophospholipid?

Predict the order of melting point from lowest to highest for the fatty acids below.

A patient sprained her knee in a game of basketball and presents with swelling and pain.Which statement BEST describes why the swelling occurs?

Which choice correctly numbers pinolenic acid (shown below)using the omega system?

The type of molecules that make up the majority of the cell membrane are

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 15: Lipids: Structure and Function

The following molecule is a cerebroside.What characteristics does this molecule have?

The portion of the molecule that is boxed is called

Amphipathic molecules can interact with both lipids and water because they contain

Which statement describes lipids?

Which statement BEST describes why VLDL is considered "bad cholesterol"?

These hormones regulate ion balances in tissues.

Which choice correctly numbers linolenic acid (shown below)using the delta system?

In the following illustration of a cell membrane, the molecules labeled (E)are

As VLDLs deliver their triacylglycerols to cells, the lipoproteins become

Which type of lipids is involved in the body's inflammatory response?

Which figure BEST illustrates how the lipid bilayer is normally arranged in a cell membrane?

About how long do an average adult male's fat stores last?

Blood is drawn from a patient to measure their "cholesterol levels".What is measured by this test?

Which statement BEST describes the purpose of a lipoprotein?

This type of lipoprotein is often called "bad cholesterol."

The polar component of the cell membrane below corresponds to which part of the molecule in the following glycerophospholipid? ​

Predict the order of melting point from lowest to highest for the fatty acids below.

A patient sprained her knee in a game of basketball and presents with swelling and pain.Which statement BEST describes why the swelling occurs?

Which choice correctly numbers pinolenic acid (shown below)using the omega system?

The type of molecules that make up the majority of the cell membrane are

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

The polar component of the cell membrane below corresponds to which part of the molecule in the following glycerophospholipid?