Question 1

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 2

The molecule that facilitates transport through the cell is indicated by the letter____ in the following illustration of a cell membrane.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 3

Which of the following types of lipids are fats and oils?

Accepted Answer

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

Question 4

Which of the statements below best describes the following structure?

Accepted Answer

A)  This is the structure of an anabolic steroid. 
B)  This is the structure of testosterone. 
C)  This is the structures of the backbone of all steroids. 
D)  This is the structure of the backbone of all lipids. 
E)  This is cholesterol. 
A)  This is the structure of an anabolic steroid. 
B)  This is the structure of testosterone. 
C)  This is the structures of the backbone of all steroids. 
D)  This is the structure of the backbone of all lipids. 
E)  This is cholesterol.

Question 5

From what common molecule are all eicosanoids synthesized in the body?

Accepted Answer

A)  cholesterol 
B)  any triglyceride 
C)  arachidonic acid 
D)  lipoproteins 
E)  any glycerophospholipid 
A)  cholesterol 
B)  any triglyceride 
C)  arachidonic acid 
D)  lipoproteins 
E)  any glycerophospholipid

Question 6

Which individual has the least to worry about from his recent cholesterol test?

Accepted Answer

A)  Patient A has an LDL count of 200mg/dL and HDL 40mg/dL. 
B)  Patient B has an LDL count of 130mg/dL and HDL of 40mg/dL. 
C)  Patient C has an LDL count of 240mg/dL and HDL of 30mg/dL. 
D)  Patient D has an LDL count of 120mg/dL and HDL of 40mg/dL. 
E)  Patient E has an LDL count of 120mg/dL and HDL of 60mg/dL. 
A)  Patient A has an LDL count of 200mg/dL and HDL 40mg/dL. 
B)  Patient B has an LDL count of 130mg/dL and HDL of 40mg/dL. 
C)  Patient C has an LDL count of 240mg/dL and HDL of 30mg/dL. 
D)  Patient D has an LDL count of 120mg/dL and HDL of 40mg/dL. 
E)  Patient E has an LDL count of 120mg/dL and HDL of 60mg/dL.

Question 7

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 8

Which of the following figures best illustrates how the lipid bilayer would arrange itself in a nonpolar solution such as hexane?

Accepted Answer

A)  a 
B)  b 
C)  c 
D)  d 
E)  e 
A)  a 
B)  b 
C)  c 
D)  d 
E)  e

Question 9

Identify the class of lipid to which the following molecule belongs.

Accepted Answer

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

Question 10

Identify the class of lipid to which the following molecule belongs.

Accepted Answer

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

Question 11

Fatty acids are stored in _______ and undergo metabolism in_______.

Accepted Answer

A)  lipoproteins; adipocytes 
B)  adipocytes; adipocytes 
C)  adipocytes; muscle cells 
D)  muscle cells; lipoproteins 
E)  lipoproteins; lipoproteins 
A)  lipoproteins; adipocytes 
B)  adipocytes; adipocytes 
C)  adipocytes; muscle cells 
D)  muscle cells; lipoproteins 
E)  lipoproteins; lipoproteins

Question 12

Lipid II is labeled A-D. Which of the labeled parts of this molecule comprise the sphingosine backbone?

Accepted Answer

A)  A only 
B)  A and B 
C)  B and C 
D)  A, B, and D 
E)  The sphingosine backbone is composed of all of the labeled parts of the molecule. 
A)  A only 
B)  A and B 
C)  B and C 
D)  A, B, and D 
E)  The sphingosine backbone is composed of all of the labeled parts of the molecule.

Question 13

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

Accepted Answer

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

Question 14

Which of the following molecules represents the steroid nucleus?

Accepted Answer

A)  a 
B)  b 
C)  c 
D)  d 
E)  e 
A)  a 
B)  b 
C)  c 
D)  d 
E)  e

Question 15

Which of the following molecules are anabolic steroids?   I II III

Accepted Answer

A)  All of these are anabolic steroids. 
B)  Both II and IIII are anabolic steroids. 
C)  Only III is an anabolic steroid. 
D)  Both I and III are anabolic steroids. 
E)  None of these are anabolic steroids. 
A)  All of these are anabolic steroids. 
B)  Both II and IIII are anabolic steroids. 
C)  Only III is an anabolic steroid. 
D)  Both I and III are anabolic steroids. 
E)  None of these are anabolic steroids.

Question 16

These steroid hormones are the major sex hormones.

Accepted Answer

A)  glucocorticoids and mineralocorticoids 
B)  mineralocorticoids and progestins 
C)  estrogens and androgens only 
D)  estrogens, androgens, and progestins 
E)  All of these are sex hormones. 
A)  glucocorticoids and mineralocorticoids 
B)  mineralocorticoids and progestins 
C)  estrogens and androgens only 
D)  estrogens, androgens, and progestins 
E)  All of these are sex hormones.

Question 17

Match the type of fatty acid with its shape:

Accepted Answer

A)  a 
B)  b 
C)  c 
D)  d 
E)  e 
A)  a 
B)  b 
C)  c 
D)  d 
E)  e

Question 18

A membrane lipid is often depicted as shown below in Lipid I. Which part of the molecular structure of Lipid I does the wavy line represent?

Accepted Answer

A)  Part A 
B)  Parts A and B 
C)  Parts A, C, and D 
D)  Parts C and D 
E)  Parts B and D 
A)  Part A 
B)  Parts A and B 
C)  Parts A, C, and D 
D)  Parts C and D 
E)  Parts B and D

Question 19

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 20

This lipoprotein is the largest and least dense.

Accepted Answer

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

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

The molecule that facilitates transport through the cell is indicated by the letter____ in the following illustration of a cell membrane.

Which of the following types of lipids are fats and oils?

Which of the statements below best describes the following structure?

From what common molecule are all eicosanoids synthesized in the body?

Which individual has the least to worry about from his recent cholesterol test?

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

Which of the following figures best illustrates how the lipid bilayer would arrange itself in a nonpolar solution such as hexane?

Identify the class of lipid to which the following molecule belongs.

Identify the class of lipid to which the following molecule belongs.

Fatty acids are stored in _ and undergo metabolism in_.

Lipid II is labeled A-D. Which of the labeled parts of this molecule comprise the sphingosine backbone?

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

Which of the following molecules represents the steroid nucleus?

Which of the following molecules are anabolic steroids? I II III

These steroid hormones are the major sex hormones.

Match the type of fatty acid with its shape:

A membrane lipid is often depicted as shown below in Lipid I. Which part of the molecular structure of Lipid I does the wavy line represent?

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

This lipoprotein is the largest and least dense.

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 12: Lipids: Structure and Function

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

The molecule that facilitates transport through the cell is indicated by the letter____ in the following illustration of a cell membrane.

Which of the following types of lipids are fats and oils?

Which of the statements below best describes the following structure?

From what common molecule are all eicosanoids synthesized in the body?

Which individual has the least to worry about from his recent cholesterol test?

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

Which of the following figures best illustrates how the lipid bilayer would arrange itself in a nonpolar solution such as hexane?

Identify the class of lipid to which the following molecule belongs.

Identify the class of lipid to which the following molecule belongs.

Fatty acids are stored in _______ and undergo metabolism in_______.

Lipid II is labeled A-D. Which of the labeled parts of this molecule comprise the sphingosine backbone?

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

Which of the following molecules represents the steroid nucleus?

Which of the following molecules are anabolic steroids? I II III

These steroid hormones are the major sex hormones.

Match the type of fatty acid with its shape:

A membrane lipid is often depicted as shown below in Lipid I. Which part of the molecular structure of Lipid I does the wavy line represent?

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

This lipoprotein is the largest and least dense.

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Fatty acids are stored in _ and undergo metabolism in_.