Item 19 Surfactant is necessary to prevent collapse of the alveoli in the lung because in its absence water molecules Multiple Choice vaporize and take up much less space. are more strongly attracted to each other by van der Waals forces. are more strongly attracted to each other by cohesive forces. congregate around nearby proteins to which they adhere. 24 Item 24 Bicarbonate (HCO3-) is a Multiple Choice strong proton donor. strong proton acceptor. weak proton donor. weak proton acceptor. Item26 Item 26 An emulsion is classified as a specific type of Multiple Choice colloid. suspension. solution. Item28 Item 28 Which of the following statements accurately describes the solutes within a solution? Multiple Choice Water is the universal solute, and solutes are more abundant in solutions than solvents are. The solutes are not visible, do not scatter light, and do not settle if the solution is left standing. Solutes are greater than 1 millimeter in size, and will settle out of solution if the mixture is left standing. Solutes are between 1 nanometer and 1 millimeter in size; they do not scatter light but will settle out of solution if left standing. Item33 Item 33 Nucleic acids are made up of Multiple Choice nucleotides joined by covalent, phosphodiester bonds. nitrogenous bases joined by ionic, disulfide bonds. ribose sugars joined by intermolecular, hydrogen bonds. proteins and sugars joined by polar, covalent, double bonds. Item34 Item 34 For every atom of carbon in a carbohydrate Multiple Choice there is approximately one atom of hydrogen. there are approximately two atoms of hydrogen. there are approximately three atoms of hydrogen. there are approximately four atoms of hydrogen 35 Item 35 While a runner is in a marathon, his or her liver will have to free some stored energy to keep blood sugar levels adequate; the liver will liberate this energy by way of a process called Multiple Choice dehydration synthesis. glycogensis. glycogenolysis. polysaccharide synthesis. dialysis. 36 Item 36 The most common lipids in the body are Multiple Choice triglycerides, and they are used for energy storage in adipose. glycoproteins, and they are used as backbones for cell membranes. eicosanoids, and they are used as hormonal messengers. steroids, and they are used as signaling molecules in inflammatory responses. phospholipids, and they are used as key ingredients of bile salts. 37 Item 37 The three parts making up a nucleotide are Multiple Choice a purine, a pyrimidine, and a ribose sugar. a five-carbon sugar, a phosphate group, and a nitrogenous base. an adenine, a guanine, and a cytosine. a double helix, a single strand, and a chromosome. a phosphorous, a deoxygenated ribose, and an amino acid. Item39 Item 39 The first amino acid put in place when a protein is being synthesized at a ribosome is Multiple Choice glycine. tryptophan. methionine. cysteine. 40 Item 40 Polar R groups of closely positioned amino acids often enter into _________ with each other, which helps give a protein its three-dimensional shape. Multiple Choice hydrophobic interactions ionic bonds hydrogen bonds van der Waal repulsions sulfur-carbon bonds proline.

Item 19 Surfactant is necessary to prevent collapse of the alveoli in the lung because in its absence water molecules Multiple Choice vaporize and take up much less space. are more strongly attracted to each other by van der Waals forces. are more strongly attracted to each other by cohesive forces. congregate around nearby proteins to which they adhere. 24 Item 24 Bicarbonate (HCO3-) is a Multiple Choice strong proton donor. strong proton acceptor. weak proton donor. weak proton acceptor. Item26 Item 26 An emulsion is classified as a specific type of Multiple Choice colloid. suspension. solution. Item28 Item 28 Which of the following statements accurately describes the solutes within a solution? Multiple Choice Water is the universal solute, and solutes are more abundant in solutions than solvents are. The solutes are not visible, do not scatter light, and do not settle if the solution is left standing. Solutes are greater than 1 millimeter in size, and will settle out of solution if the mixture is left standing. Solutes are between 1 nanometer and 1 millimeter in size; they do not scatter light but will settle out of solution if left standing. Item33 Item 33 Nucleic acids are made up of Multiple Choice nucleotides joined by covalent, phosphodiester bonds. nitrogenous bases joined by ionic, disulfide bonds. ribose sugars joined by intermolecular, hydrogen bonds. proteins and sugars joined by polar, covalent, double bonds. Item34 Item 34 For every atom of carbon in a carbohydrate Multiple Choice there is approximately one atom of hydrogen. there are approximately two atoms of hydrogen. there are approximately three atoms of hydrogen. there are approximately four atoms of hydrogen 35 Item 35 While a runner is in a marathon, his or her liver will have to free some stored energy to keep blood sugar levels adequate; the liver will liberate this energy by way of a process called Multiple Choice dehydration synthesis. glycogensis. glycogenolysis. polysaccharide synthesis. dialysis. 36 Item 36 The most common lipids in the body are Multiple Choice triglycerides, and they are used for energy storage in adipose. glycoproteins, and they are used as backbones for cell membranes. eicosanoids, and they are used as hormonal messengers. steroids, and they are used as signaling molecules in inflammatory responses. phospholipids, and they are used as key ingredients of bile salts. 37 Item 37 The three parts making up a nucleotide are Multiple Choice a purine, a pyrimidine, and a ribose sugar. a five-carbon sugar, a phosphate group, and a nitrogenous base. an adenine, a guanine, and a cytosine. a double helix, a single strand, and a chromosome. a phosphorous, a deoxygenated ribose, and an amino acid. Item39 Item 39 The first amino acid put in place when a protein is being synthesized at a ribosome is Multiple Choice glycine. tryptophan. methionine. cysteine. 40 Item 40 Polar R groups of closely positioned amino acids often enter into _________ with each other, which helps give a protein its three-dimensional shape. Multiple Choice hydrophobic interactions ionic bonds hydrogen bonds van der Waal repulsions sulfur-carbon bonds proline.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Item 19

Surfactant is necessary to prevent collapse of the alveoli in the lung because in its absence water molecules

Multiple Choice

vaporize and take up much less space.
are more strongly attracted to each other by van der Waals forces.
are more strongly attracted to each other by cohesive forces.
congregate around nearby proteins to which they adhere.

Item 24

Bicarbonate (HCO₃^-) is a

Multiple Choice

strong proton donor.
strong proton acceptor.
weak proton donor.
weak proton acceptor.

Item26

Item 26

An emulsion is classified as a specific type of

Multiple Choice

colloid.
suspension.
solution.

Item28

Item 28

Which of the following statements accurately describes the solutes within a solution?

Multiple Choice

Water is the universal solute, and solutes are more abundant in solutions than solvents are.
The solutes are not visible, do not scatter light, and do not settle if the solution is left standing.
Solutes are greater than 1 millimeter in size, and will settle out of solution if the mixture is left standing.
Solutes are between 1 nanometer and 1 millimeter in size; they do not scatter light but will settle out of solution if left standing.

Item33

Item 33

Nucleic acids are made up of

Multiple Choice

nucleotides joined by covalent, phosphodiester bonds.
nitrogenous bases joined by ionic, disulfide bonds.
ribose sugars joined by intermolecular, hydrogen bonds.
proteins and sugars joined by polar, covalent, double bonds.

Item34

Item 34

For every atom of carbon in a carbohydrate

Multiple Choice

there is approximately one atom of hydrogen.
there are approximately two atoms of hydrogen.
there are approximately three atoms of hydrogen.
there are approximately four atoms of hydrogen

Item 35

While a runner is in a marathon, his or her liver will have to free some stored energy to keep blood sugar levels adequate; the liver will liberate this energy by way of a process called

Multiple Choice

dehydration synthesis.
glycogensis.
glycogenolysis.
polysaccharide synthesis.
dialysis.

Item 36

The most common lipids in the body are

Multiple Choice

triglycerides, and they are used for energy storage in adipose.
glycoproteins, and they are used as backbones for cell membranes.
eicosanoids, and they are used as hormonal messengers.
steroids, and they are used as signaling molecules in inflammatory responses.
phospholipids, and they are used as key ingredients of bile salts.

Item 37

The three parts making up a nucleotide are

Multiple Choice

a purine, a pyrimidine, and a ribose sugar.
a five-carbon sugar, a phosphate group, and a nitrogenous base.
an adenine, a guanine, and a cytosine.
a double helix, a single strand, and a chromosome.
a phosphorous, a deoxygenated ribose, and an amino acid.

Item39

Item 39

The first amino acid put in place when a protein is being synthesized at a ribosome is

Multiple Choice

glycine.
tryptophan.
methionine.
cysteine.
40

Item 40

Polar R groups of closely positioned amino acids often enter into _________ with each other, which helps give a protein its three-dimensional shape.
Multiple Choice

hydrophobic interactions

ionic bonds

hydrogen bonds

van der Waal repulsions

sulfur-carbon bonds
proline.

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