Question 1

Which of the following choices is the definition of "amphipathic"?

Accepted Answer

A)  It refers to a molecule that can be both oxidized and reduced. 
B)  It refers to a molecule that reacts with its environment. 
C)  It refers to a molecule that has two reactive sites. 
D)  It refers to a molecule that makes bubbles. 
E)  It refers to a molecule that has a polar and a nonpolar part. 
A)  It refers to a molecule that can be both oxidized and reduced. 
B)  It refers to a molecule that reacts with its environment. 
C)  It refers to a molecule that has two reactive sites. 
D)  It refers to a molecule that makes bubbles. 
E)  It refers to a molecule that has a polar and a nonpolar part.

Question 2

While triglycerides, proteins, and carbohydrates are all catabolized in similar biochemical pathways, fats present a problem that the other two nutrient types do not. Which of the following choices is a problem with fat digestion that proteins and sugars do not have?

Accepted Answer

A)  Fats are water soluble, and proteins and sugars are not. 
B)  Fats are highly reactive, and proteins and sugars are not. 
C)  Fats are not at all reactive, whereas proteins and sugars are very reactive. 
D)  Proteins and sugars are water soluble, but fats are not. 
E)  Fats are unusual because they do not interact with enzymes. 
A)  Fats are water soluble, and proteins and sugars are not. 
B)  Fats are highly reactive, and proteins and sugars are not. 
C)  Fats are not at all reactive, whereas proteins and sugars are very reactive. 
D)  Proteins and sugars are water soluble, but fats are not. 
E)  Fats are unusual because they do not interact with enzymes.

Question 3

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

Accepted Answer

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

Question 4

Which of the following lists of features best describes the structure of a naturally occurring fatty acid?

Accepted Answer

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

Question 5

Where would you most likely find unsaturated fats?

Accepted Answer

A)  They are found in meat. 
B)  They are found in cheese. 
C)  They are found in butter. 
D)  They are found in plants. 
E)  They are found in margarine. 
A)  They are found in meat. 
B)  They are found in cheese. 
C)  They are found in butter. 
D)  They are found in plants. 
E)  They are found in margarine.

Question 6

Which of the following diseases are not typically treated with prostaglandin inhibitors?

Accepted Answer

A)  asthma 
B)  pain and inflammation 
C)  bronchitis 
D)  glaucoma 
E)  cancer 
A)  asthma 
B)  pain and inflammation 
C)  bronchitis 
D)  glaucoma 
E)  cancer

Question 7

Pain is often associated with inflammation. Why is this?

Accepted Answer

A)  An injury that swells looks painful, thus tricking the injured into feeling pain. 
B)  Additional prostaglandins are released for the purpose of elevating pain levels. 
C)  Because injury results in elevated prostaglandins, which results in sensitization of pain neurons. 
D)  Inflammation crowds organs and stretches skin, causing pain. 
E)  Broken skin causes pain. 
A)  An injury that swells looks painful, thus tricking the injured into feeling pain. 
B)  Additional prostaglandins are released for the purpose of elevating pain levels. 
C)  Because injury results in elevated prostaglandins, which results in sensitization of pain neurons. 
D)  Inflammation crowds organs and stretches skin, causing pain. 
E)  Broken skin causes pain.

Question 8

The component of a cell membrane shown below is a

Accepted Answer

A)  glycerophospholipid. 
B)  glycosphingolipid. 
C)  sphingomyelin. 
D)  triacylglycerol. 
E)  fatty acid. 
A)  glycerophospholipid. 
B)  glycosphingolipid. 
C)  sphingomyelin. 
D)  triacylglycerol. 
E)  fatty acid.

Which of the following choices is the definition of "amphipathic"?

While triglycerides, proteins, and carbohydrates are all catabolized in similar biochemical pathways, fats present a problem that the other two nutrient types do not. Which of the following choices is a problem with fat digestion that proteins and sugars do not have?

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

Which of the following lists of features best describes the structure of a naturally occurring fatty acid?

Where would you most likely find unsaturated fats?

Which of the following diseases are not typically treated with prostaglandin inhibitors?

Pain is often associated with inflammation. Why is this?

The component of a cell membrane shown below is a

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

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Exam 12: Lipids: Structure and Function

Which of the following choices is the definition of "amphipathic"?

While triglycerides, proteins, and carbohydrates are all catabolized in similar biochemical pathways, fats present a problem that the other two nutrient types do not. Which of the following choices is a problem with fat digestion that proteins and sugars do not have?

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

Which of the following lists of features best describes the structure of a naturally occurring fatty acid?

Where would you most likely find unsaturated fats?

Which of the following diseases are not typically treated with prostaglandin inhibitors?

Pain is often associated with inflammation. Why is this?

The component of a cell membrane shown below is a

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