Filters
Question type
Study Flashcards

Which type of lipid is the main component of cell membranes?


A) triacylglycerols and steroids
B) eicosanoids and steroids
C) fatty acids and eicosanoids
D) phospholipids and glycolipids
E) triacylglycerols and eicosanoid

F) B) and D)
G) A) and B)

Correct Answer

verifed

verified

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

F) A) and E)
G) A) and B)

Correct Answer

verifed

verified

Lipid II contains which of the following functional groups not found in lipid I? Lipid II contains which of the following functional groups not found in lipid I? A) amide B) alcohol C) alkene D) amide and alcohol E) amide, alcohol, and alkene


A) amide
B) alcohol
C) alkene
D) amide and alcohol
E) amide, alcohol, and alkene

F) A) and B)
G) All of the above

Correct Answer

verifed

verified

The body uses _________ for short-term energy storage and _______ for long-term energy needs.


A) triacylglycerols; glucose
B) glucose; triacylglycerols
C) glycogen; triacylglycerols
D) glucose; glycogen
E) glycogen; glucose

F) A) and D)
G) A) and E)

Correct Answer

verifed

verified

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


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

F) B) and D)
G) A) and C)

Correct Answer

verifed

verified

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


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

F) All of the above
G) C) and D)

Correct Answer

verifed

verified

Which figure BEST illustrates how the lipid bilayer would arrange itself in a nonpolar solution, such as hexane? Which figure BEST illustrates how the lipid bilayer would arrange itself in a nonpolar solution, such as hexane? 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.

F) None of the above
G) B) and E)

Correct Answer

verifed

verified

These steroid hormones control the menstrual cycle.


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

F) B) and C)
G) A) and E)

Correct Answer

verifed

verified

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


A) about an hour
B) about a day
C) about a week
D) about a month
E) about 12 weeks

F) D) and E)
G) A) and D)

Correct Answer

verifed

verified

Which molecule is NOT a naturally occurring fatty acid?


A) Which molecule is NOT a naturally occurring fatty acid? A) B) CH<sub>3</sub>(CH<sub>2</sub>) <sub>7</sub>CH=CH(CH<sub>2</sub>) <sub>7</sub>CO<sub>2</sub>H C) D) E) CH<sub>3</sub>(CH<sub>2</sub>) <sub>4</sub>(CH=CHCH<sub>2</sub>) <sub>4</sub>(CH<sub>2</sub>) <sub>2</sub>CO<sub>2</sub>H
B) CH3(CH2) 7CH=CH(CH2) 7CO2H
C) Which molecule is NOT a naturally occurring fatty acid? A) B) CH<sub>3</sub>(CH<sub>2</sub>) <sub>7</sub>CH=CH(CH<sub>2</sub>) <sub>7</sub>CO<sub>2</sub>H C) D) E) CH<sub>3</sub>(CH<sub>2</sub>) <sub>4</sub>(CH=CHCH<sub>2</sub>) <sub>4</sub>(CH<sub>2</sub>) <sub>2</sub>CO<sub>2</sub>H
D) Which molecule is NOT a naturally occurring fatty acid? A) B) CH<sub>3</sub>(CH<sub>2</sub>) <sub>7</sub>CH=CH(CH<sub>2</sub>) <sub>7</sub>CO<sub>2</sub>H C) D) E) CH<sub>3</sub>(CH<sub>2</sub>) <sub>4</sub>(CH=CHCH<sub>2</sub>) <sub>4</sub>(CH<sub>2</sub>) <sub>2</sub>CO<sub>2</sub>H
E) CH3(CH2) 4(CH=CHCH2) 4(CH2) 2CO2H

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

Triacylglycerols are not soluble in water and so cannot be transported through the blood without help.How are fats transported?


A) in lipoproteins
B) in starch
C) alongside hormones
D) through protein channels
E) They are not transported.

F) None of the above
G) A) and B)

Correct Answer

verifed

verified

The component of a cell membrane shown below is The component of a cell membrane shown below is A) nonpolar. B) a steroid. C) amphipathic. D) polar. E) a lipoprotein.


A) nonpolar.
B) a steroid.
C) amphipathic.
D) polar.
E) a lipoprotein.

F) A) and D)
G) A) and E)

Correct Answer

verifed

verified

Which molecule is an eicosanoid?


A) Which molecule is an eicosanoid? A) B) CH<sub>3</sub>(CH<sub>2</sub>) <sub>16</sub>COO<sup>-</sup>Na<sup>+</sup> C) CH<sub>3</sub>(CH<sub>2</sub>) <sub>16</sub>COO(CH<sub>2</sub>) <sub>11</sub>CH<sub>3</sub> D) E)
B) CH3(CH2) 16COO-Na+
C) CH3(CH2) 16COO(CH2) 11CH3
D) Which molecule is an eicosanoid? A) B) CH<sub>3</sub>(CH<sub>2</sub>) <sub>16</sub>COO<sup>-</sup>Na<sup>+</sup> C) CH<sub>3</sub>(CH<sub>2</sub>) <sub>16</sub>COO(CH<sub>2</sub>) <sub>11</sub>CH<sub>3</sub> D) E)
E) Which molecule is an eicosanoid? A) B) CH<sub>3</sub>(CH<sub>2</sub>) <sub>16</sub>COO<sup>-</sup>Na<sup>+</sup> C) CH<sub>3</sub>(CH<sub>2</sub>) <sub>16</sub>COO(CH<sub>2</sub>) <sub>11</sub>CH<sub>3</sub> D) E)

F) All of the above
G) B) and D)

Correct Answer

verifed

verified

Which statement about cholesterol is FALSE?


A) It is used to synthesize steroid hormones.
B) It is a precursor for bile acids.
C) It adds rigidity to cell membranes.
D) It is a precursor of prostaglandins.
E) It is an amphipathic molecule.

F) A) and D)
G) A) and E)

Correct Answer

verifed

verified

Which statement BEST describes why HDL is considered "good cholesterol"?


A) It has the highest density.
B) It is the smallest 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.

F) C) and D)
G) A) and E)

Correct Answer

verifed

verified

Why might an anabolic steroid be prescribed by a doctor?


A) to promote growth in those below average height
B) to treat low testosterone
C) to treat inflammation
D) to treat cancer
E) to treat infection

F) A) and B)
G) C) and D)

Correct Answer

verifed

verified

Which biomolecules provide the MOST energy per gram?


A) proteins
B) carbohydrates
C) triacylglycerols
D) Protein and carbohydrates provide more energy than triacylglycerols.
E) Proteins, carbohydrates, and triacylglycerols provide the same amount of energy.

F) A) and B)
G) All of the above

Correct Answer

verifed

verified

Compared to fats and sugars, how much energy do fats supply?


A) Per gram, fats supply about half the energy of proteins and sugars.
B) Per gram, fats supply about twice the energy of proteins and sugars.
C) Per gram, fats supply about one-fourth the energy of proteins and sugars.
D) Per gram, fats supply about four times the energy of proteins and sugars.
E) Fats, sugars, and proteins all supply about the same amount of energy.

F) C) and E)
G) B) and D)

Correct Answer

verifed

verified

Where would you MOST likely find unsaturated fats?


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.

F) A) and B)
G) A) and E)

Correct Answer

verifed

verified

An adipocyte stores


A) proteins.
B) triacylglycerols.
C) white blood cells.
D) red blood cells.
E) carbohydrates.

F) All of the above
G) A) and B)

Correct Answer

verifed

verified

Showing 41 - 60 of 106

Related Exams

Exam 1

Matter, Energy, and Measurement

91 Questions

Exam 2

Atomic Structure and Radioisotopes

107 Questions

Exam 3

Ionic and Covalent Compounds

95 Questions

Exam 4

Molecular Geometry, Polarity, and Intermolecular

86 Questions

Exam 5

Chemical Quantities and Introduction to Reactions

88 Questions

Exam 6

Chemical Reactions: Energy, Rates, and Equilibrium

87 Questions

Exam 7

Changes of State and Gas Laws

99 Questions

Exam 8

Mixtures, Solution Concentrations, and Diffusion

97 Questions

Exam 9

Acids and Bases, Ph, and Buffers

83 Questions

Exam 10

Introduction to Organic Chemistry:

111 Questions

Exam 11

Alcohols, Phenols, Thiols, Ethers, and Amines

69 Questions

Exam 12

The Carbonyl Containing Functional Groups

70 Questions

Exam 13

The Common Organic Reactions in Biochemistry

82 Questions

Exam 14

Carbohydrates: Structure and Function

97 Questions

Exam 16

Proteins: Structure and Function

134 Questions

Exam 17

Nucleotides and Nucleic Acids

109 Questions

Exam 18

Energy and Metabolism

115 Questions

Show Answer