Question 1

What is the range for an acid on the pH scale?

Accepted Answer

A)   0 to 4
B)   Less than 7.0
C)   Greater than 7.0
D)   10 to 14E) B) and D)
F) C) and D)

Question 2

Which subatomic particle is positively charged?

Accepted Answer

A)   Proton
B)   Neutron
C)   Electron
D)   Protons and electronsE) B) and D)
F) B) and C)

Question 3

Which of the following is NOT a function of proteins in the body?

Accepted Answer

A)   Protection
B)   Contraction
C)   Heredity
D)   RegulationE) B) and C)
F) A) and B)

Question 4

By definition, the atomic number is equal to the number of _____ an atom has.

Accepted Answer

A)   Neutrons
B)   Electrons
C)   Protons
D)   PositronsE) A) and C)
F) B) and C)

Question 5

All molecules are compounds.

Accepted Answer

A) True 
 B)False

Question 6

What type of reaction occurs when water is added to break down a large reactant into smaller products?

Accepted Answer

A)   Dehydration
B)   Synthesis
C)   Hydrolysis
D)   ReversibleE) B) and C)
F) A) and B)

Question 7

Two or more proteins that join to form a functional unit is the ___________ structure of a protein.

Accepted Answer

A)   Primary
B)   Secondary
C)   Tertiary
D)   QuaternaryE) B) and C)
F) A) and C)

Question 8

Which of the following is NOT true about isotopes?

Accepted Answer

A)   Isotopes are two or more forms of the same element
B)   Isotopes have different atomic numbers
C)   Isotopes have different mass numbers
D)   Some isotopes are radioactiveE) A) and D)
F) C) and D)

Question 9

The building blocks of fats are

Accepted Answer

A)   Monoglycerides
B)   Monosaccharides
C)   Cholesterol and fatty acids
D)   Glycerol and fatty acidsE) C) and D)
F) A) and B)

Question 10

What is the function of oxygen in living cells?

Accepted Answer

A)   To take energy from the food we eat to make ATP
B)   To maintain the pH of the blood
C)   A medium for chemical reactions
D)   To transport nutrients in the bloodE) None of the above
F) All of the above

Question 11

Which type of fats do NOT contribute to the development of cardiovascular disease?

Accepted Answer

A)   Polyunsaturated fats
B)   Monounsaturated fats
C)   Saturated fats
D)   Diunsaturated fatsE) B) and C)
F) A) and B)

Question 12

Which of the following is NOT an inorganic molecule?

Accepted Answer

A)   Carbon dioxide
B)   Water
C)   Oxygen
D)   GlucoseE) B) and C)
F) A) and C)

Question 13

Which of the following will NOT affect the rate of a chemical reaction?

Accepted Answer

A)   Type of reactants
B)   Concentration of reactants
C)   Temperature
D)   Use of a catalyst
E)   All of the choices will affect the rate of a chemical reactionF) B) and D)
G) A) and E)

Question 14

Alkalosis occurs when the pH of the blood drops below 7.35.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT part of a nucleotide?

Accepted Answer

A)   Sugar
B)   Nitrogenous organic base
C)   Amino acid
D)   PhosphateE) B) and C)
F) A) and C)

Question 16

Most of the chemical reactions in the body would not take place if water were not present.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT true of enzymes?

Accepted Answer

A)   Lower activation energy for a reaction
B)   Can be used for many reactants
C)   Must fit like a lock and key to a reactant
D)   Can be used over and over againE) A) and B)
F) C) and D)

Question 18

The simplest type of matter with unique physical and chemical properties is a(an)

Accepted Answer

A)   Molecule
B)   Proton
C)   Element
D)   CompoundE) A) and D)
F) A) and C)

Exam 2: The Chemical Basis of Life

The simplest type of matter with unique physical and chemical properties is a(an)

Correct Answer
verified

Which subatomic particle is positively charged?

Correct Answer
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All molecules are compounds.

Correct Answer
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Which of the following is NOT true about isotopes?

Correct Answer
verified

Which of the following is NOT part of a nucleotide?

Correct Answer
verified

What is the range for an acid on the pH scale?

Correct Answer
verified

What is the function of oxygen in living cells?

Correct Answer
verified

Which of the following is NOT an inorganic molecule?

Correct Answer
verified

Which type of fats do NOT contribute to the development of cardiovascular disease?

Correct Answer
verified

The building blocks of fats are

Correct Answer
verified

By definition, the atomic number is equal to the number of _____ an atom has.

Correct Answer
verified

Most of the chemical reactions in the body would not take place if water were not present.

Correct Answer
verified

What type of reaction occurs when water is added to break down a large reactant into smaller products?

Correct Answer
verified

Which of the following is NOT true of enzymes?

Correct Answer
verified

Two or more proteins that join to form a functional unit is the ___________ structure of a protein.

Correct Answer
verified

Which of the following will NOT affect the rate of a chemical reaction?

Correct Answer
verified

Alkalosis occurs when the pH of the blood drops below 7.35.

Correct Answer
verified

Which of the following is NOT a function of proteins in the body?

Correct Answer
verified

Exam 2: The Chemical Basis of Life

The simplest type of matter with unique physical and chemical properties is a(an)

Correct AnswerverifiedShow Answer

Which subatomic particle is positively charged?

Correct AnswerverifiedShow Answer

All molecules are compounds.

Correct AnswerverifiedShow Answer

Which of the following is NOT true about isotopes?

Correct AnswerverifiedShow Answer

Which of the following is NOT part of a nucleotide?

Correct AnswerverifiedShow Answer

What is the range for an acid on the pH scale?

Correct AnswerverifiedShow Answer

What is the function of oxygen in living cells?

Correct AnswerverifiedShow Answer

Which of the following is NOT an inorganic molecule?

Correct AnswerverifiedShow Answer

Which type of fats do NOT contribute to the development of cardiovascular disease?

Correct AnswerverifiedShow Answer

The building blocks of fats are

Correct AnswerverifiedShow Answer

By definition, the atomic number is equal to the number of _____ an atom has.

Correct AnswerverifiedShow Answer

Most of the chemical reactions in the body would not take place if water were not present.

Correct AnswerverifiedShow Answer

What type of reaction occurs when water is added to break down a large reactant into smaller products?

Correct AnswerverifiedShow Answer

Which of the following is NOT true of enzymes?

Correct AnswerverifiedShow Answer

Two or more proteins that join to form a functional unit is the ___________ structure of a protein.

Correct AnswerverifiedShow Answer

Which of the following will NOT affect the rate of a chemical reaction?

Correct AnswerverifiedShow Answer

Alkalosis occurs when the pH of the blood drops below 7.35.

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of proteins in the body?

Correct AnswerverifiedShow Answer

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