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General Organic and Biochemistry Study Set 1

Chemistry

Quiz 17 :

Lipids and Their Functions in Biochemical Systems

Quiz 17 :

Lipids and Their Functions in Biochemical Systems

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The ingredients on a box of cupcakes lists partially hydrogenated soybean oil.Partial hydrogenation of soybean oil has what effect?
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Answer:

B

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How does the proportion of saturation and unsaturation in membrane lipids affect the fluidity of the cell membrane?
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Answer:

A

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Which eicosanoids produced by white blood cells can cause bronchial constriction?
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Answer:

D

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How can the structure and composition of biological membranes be best described?
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What nitrogen-containing alcohol forms the backbone of the sphingolipids?
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Which class of human plasma lipoproteins binds triglycerides synthesized in the liver and carries them to adipose for storage?
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Which class of human plasma lipoproteins carries triglycerides from the intestine to other tissues?
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Which of the following statements concerning lipid functions is NOT true?
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What is the most abundant class of membrane lipids?
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Which statement best describes how lipids are defined?
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Consider the compound represented below.Which of the following best describes it? img
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Testosterone, cholesterol, and progesterone are all classified as steroids because they contain the steroid nucleus.Which of the following compounds would also be classified as a steroid? img
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The structure of a phosphoglyceride is shown below.Phosphoglycerides can interact with both water and other lipids, and are therefore well suited for their role in the lipid bilayer of cell membranes.Which of the following best explains this behavior? img
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Cetyl palmitate is a component of spermaceti wax, isolated from the heads of sperm whales, and used in cosmetics.In which solvent would cetyl palmitate be expected to have the greatest solubility? img
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What response is caused by the prostaglandins produced in the kidneys?
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Which of the following is NOT classified as a type of eicosanoid?
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What two products are formed in the hydrolysis of a wax?
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Which class of lipoprotein is bound to plasma cholesterol and transports it from the peripheral tissues to the liver?
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Which class of lipoprotein carries cholesterol to peripheral tissues and helps regulate cholesterol levels in those tissues?
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Which statement concerning the structure of a fatty acid is FALSE?
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