Question 1

The genetic information is coded in DNA by the ________.

Accepted Answer

A)   regular alteration of sugar and phosphate molecules
B)   sequence of the nucleotides
C)   three-dimensional structure of the double helix
D)   arrangement of the histonesE) B) and D)
F) None of the above

Question 2

Match the following:
A) Mechanical energy
B) Radiant energy
C) Electrical energy
D) Chemical energy
-When the bonds of ATP are broken, energy is released to do cellular work.

Accepted Answer

The answer of Match the following:
A) Mechanical energy
B) Radiant energy
C)...

Question 3

Which bonds often bind different parts of a molecule into a specific three-dimensional shape?

Accepted Answer

A)   Carbon
B)   Hydrogen
C)   Oxygen
D)   Amino acidE) All of the above
F) B) and C)

Question 4

It is the difference in the R group that makes each amino acid chemically unique.

Accepted Answer

A) True 
 B)False

Question 5

What happens when globular proteins are denatured?

Accepted Answer

The active...

Question 6

Match the following:
A) Mass number of an element
B) Atomic symbol
C) Atomic number
-Combined number of protons and neutrons in an atom

Accepted Answer

The answer of Match the following:
A) Mass number of an...

Question 7

Amino acids joining together to make a peptide is a good example of a(n)  ________ reaction.

Accepted Answer

A)   synthesis
B)   decomposition
C)   exchange
D)   reversibleE) A) and C)
F) All of the above

Question 8

Carbohydrates and proteins are built up from their basic building blocks by the ________.

Accepted Answer

A)   addition of a water molecule between each two units
B)   addition of a carbon atom between each two units
C)   removal of a water molecule between each two units
D)   removal of a carbon atom between each two unitsE) A) and B)
F) B) and D)

Question 9

The single most abundant protein in the body is ________.

Accepted Answer

A)   DNA
B)   hemoglobin
C)   collagen
D)   glucoseE) A) and C)
F) C) and D)

Question 10

Glycogen, the storage form of glucose, is primarily stored in muscle tissue only.

Accepted Answer

A) True 
 B)False

Question 11

Explain the difference between potential and kinetic energy.

Accepted Answer

Potential energy is inactive s...

Question 12

Mixtures are combinations of elements or compounds that are physically blended together but are not bound by chemical bonds.

Accepted Answer

A) True 
 B)False

Question 13

Describe the factors that affect chemical reaction rates.

Accepted Answer

Temperature increases kinetic energy and...

Question 14

Mrs. Mulligan goes to her dentist and, after having a couple of cavities filled, her dentist strongly suggests that she reduce her intake of sodas and increase her intake of calcium phosphates in the foods she eats. Why?

Accepted Answer

Sodas are strong acids that ca...

Question 15

Starch is the stored carbohydrate in plants, while ________ is the stored carbohydrate in animals.

Accepted Answer

The answer of Starch is the stored carbohydrate in plants,...

Question 16

Select the most correct statement regarding nucleic acids.

Accepted Answer

A)   Three forms exist: DNA, RNA, and tDNA.
B)   DNA is a long, double-stranded molecule made up of A, T, G, and C bases.
C)   RNA is a long, single-stranded molecule made up of the bases A, T, G, and C.
D)   tDNA is considered a molecular slave of DNA during protein synthesis.E) A) and D)
F) None of the above

Question 17

AB → A + B is an example of a(n) ________ reaction.

Accepted Answer

The answer of AB → A + B is an...

Question 18

A 23-year-old male was riding his road bike in 100-degree heat, when he suddenly became nauseated and weak. He called 911 from his cell phone. When the ambulance came, the paramedics started intravenous therapy for severe dehydration. Explain the critical role of water to maintain homeostasis.

Accepted Answer

Water is the most abundant and important...

Question 19

Match the following:
A) Mechanical energy
B) Radiant energy
C) Electrical energy
D) Chemical energy
-Energy that travels in waves. Part of the electromagnetic spectrum.

Accepted Answer

The answer of Match the following:
A) Mechanical energy
B) Radiant energy
C)...

Question 20

The fact that no chemical bonding occurs between the components of a mixture is the chief difference between mixtures and compounds.

Accepted Answer

A) True 
 B)False

Exam 2: Chemistry Comes Alive

The fact that no chemical bonding occurs between the components of a mixture is the chief difference between mixtures and compounds.

Correct AnswerverifiedShow Answer

Describe the factors that affect chemical reaction rates.

Correct AnswerverifiedTemperature increases kinetic energy and...View AnswerShow Answer

Mixtures are combinations of elements or compounds that are physically blended together but are not bound by chemical bonds.

Correct AnswerverifiedShow Answer

A 23-year-old male was riding his road bike in 100-degree heat, when he suddenly became nauseated and weak. He called 911 from his cell phone. When the ambulance came, the paramedics started intravenous therapy for severe dehydration. Explain the critical role of water to maintain homeostasis.

Correct AnswerverifiedWater is the most abundant and important...View AnswerShow Answer

What happens when globular proteins are denatured?

Correct AnswerverifiedThe active...View AnswerShow Answer

Select the most correct statement regarding nucleic acids.

Correct AnswerverifiedShow Answer

The single most abundant protein in the body is ________.

Correct AnswerverifiedShow Answer

Match the following: A) Mass number of an element B) Atomic symbol C) Atomic number -Combined number of protons and neutrons in an atom

Correct AnswerverifiedShow Answer

Explain the difference between potential and kinetic energy.

Correct AnswerverifiedPotential energy is inactive s...View AnswerShow Answer

It is the difference in the R group that makes each amino acid chemically unique.

Correct AnswerverifiedShow Answer

Carbohydrates and proteins are built up from their basic building blocks by the ________.

Correct AnswerverifiedShow Answer

AB → A + B is an example of a(n) ________ reaction.

Correct AnswerverifiedShow Answer

Match the following: A) Mechanical energy B) Radiant energy C) Electrical energy D) Chemical energy -When the bonds of ATP are broken, energy is released to do cellular work.

Correct AnswerverifiedShow Answer

The genetic information is coded in DNA by the ________.

Correct AnswerverifiedShow Answer

Glycogen, the storage form of glucose, is primarily stored in muscle tissue only.

Correct AnswerverifiedShow Answer

Mrs. Mulligan goes to her dentist and, after having a couple of cavities filled, her dentist strongly suggests that she reduce her intake of sodas and increase her intake of calcium phosphates in the foods she eats. Why?

Correct AnswerverifiedSodas are strong acids that ca...View AnswerShow Answer

Starch is the stored carbohydrate in plants, while ________ is the stored carbohydrate in animals.

Correct AnswerverifiedShow Answer

Match the following: A) Mechanical energy B) Radiant energy C) Electrical energy D) Chemical energy -Energy that travels in waves. Part of the electromagnetic spectrum.

Correct AnswerverifiedShow Answer

Amino acids joining together to make a peptide is a good example of a(n) ________ reaction.

Correct AnswerverifiedShow Answer

Which bonds often bind different parts of a molecule into a specific three-dimensional shape?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Temperature increases kinetic energy and...
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Correct Answer
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Correct Answer
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Water is the most abundant and important...
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Correct Answer
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The active...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Potential energy is inactive s...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Sodas are strong acids that ca...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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