Question 1

Enzymes, receptors, and antibodies are examples of what type of organic compound?

Accepted Answer

A)   Proteins
B)   Carbohydrates
C)   Lipids
D)   Nucleic acidsE) C) and D)
F) A) and B)

Question 2

Molecules called _____________ are formed when atoms of different elements bond together.

Accepted Answer

The answer of Molecules called _____________ are formed when atoms...

Question 3

What type of chemicals function to resist changes in pH of a solution?

Accepted Answer

A)   Buffers
B)   Electrolytes
C)   Acids
D)   Bases
E)   IonsF) A) and D)
G) B) and E)

Question 4

Sucrose, lactose, and maltose are examples of what type of carbohydrate?

Accepted Answer

A)   Monosaccharides
B)   Polysaccharides
C)   DisaccharidesD) All of the above
E) A) and B) C

Question 5

Chemical bonds between atoms involve the component of atoms called ___________.

Accepted Answer

The answer of Chemical bonds between atoms involve the component...

Question 6

Starch and glycogen are examples of what type of carbohydrate?

Accepted Answer

A)   Monosaccharides
B)   Polysaccharides
C)   DisaccharidesD) B) and C)
E) A) and C)

Question 7

The building blocks of proteins are molecules called amino acids.

Accepted Answer

A) True 
 B)False  True

Question 8

The electrons of an atom occupy one or more areas of space, called __________, around the nucleus.

Accepted Answer

A)   pockets
B)   shells
C)   regions
D)   zones
E)   tractsF) A) and E)
G) B) and D)

Question 9

In an atom, the second electron shell contains a maximum of __________ electrons.

Accepted Answer

The answer of In an atom, the second electron shell...

Question 10

What differs between the isotopes of a particular element?

Accepted Answer

A)   The shape of the protons
B)   The number of protons
C)   The number of neutrons
D)   The size of the electrons
E)   The number of electron shellsF) A) and D)
G) B) and D)

Question 11

A substance that dissociates and releases hydrogen ions into water is classified as a base.

Accepted Answer

A) True 
 B)False

Question 12

The type of chemical bond formed when atoms share electrons is called a/an _______________ bond.

Accepted Answer

The answer of The type of chemical bond formed when...

Question 13

Ribose and deoxyribose are examples of what type of organic molecule?

Accepted Answer

A)   Carbohydrates
B)   Proteins
C)   Lipids
D)   Nucleic acidsE) B) and D)
F) A) and D)

Question 14

Indicate the inorganic substance.

Accepted Answer

A)   Glucose
B)   An enzyme
C)   Cholesterol
D)   Carbon dioxide
E)   DNAF) All of the above
G) A) and B)

Question 15

Cholesterol is a type of protein.

Accepted Answer

A) True 
 B)False

Question 16

Atoms that gain or lose electrons become electrically charged and are called _____________.

Accepted Answer

ions

Question 17

In __________ reactions, parts of two different molecules trade positions.

Accepted Answer

The answer of In __________ reactions, parts of two different...

Question 18

A/an _______________ reaction is illustrated as A + B → AB.

Accepted Answer

The answer of A/an _______________ reaction is illustrated as A...

Question 19

Examples of proteins include DNA and RNA.

Accepted Answer

A) True 
 B)False

Question 20

Indicate the substance that is NOT an element.

Accepted Answer

A)   Iron
B)   Oxygen
C)   Water
D)   Carbon
E)   HydrogenF) A) and D)
G) None of the above

Exam 2: Chemical Basis of Life

Enzymes, receptors, and antibodies are examples of what type of organic compound?

Correct AnswerverifiedShow Answer

Molecules called _____________ are formed when atoms of different elements bond together.

Correct AnswerverifiedShow Answer

What type of chemicals function to resist changes in pH of a solution?

Correct AnswerverifiedShow Answer

Sucrose, lactose, and maltose are examples of what type of carbohydrate?

Correct AnswerverifiedC

Chemical bonds between atoms involve the component of atoms called ___________.

Correct AnswerverifiedShow Answer

Starch and glycogen are examples of what type of carbohydrate?

Correct AnswerverifiedShow Answer

The building blocks of proteins are molecules called amino acids.

Correct AnswerverifiedTrue

The electrons of an atom occupy one or more areas of space, called __________, around the nucleus.

Correct AnswerverifiedShow Answer

In an atom, the second electron shell contains a maximum of __________ electrons.

Correct AnswerverifiedShow Answer

What differs between the isotopes of a particular element?

Correct AnswerverifiedShow Answer

A substance that dissociates and releases hydrogen ions into water is classified as a base.

Correct AnswerverifiedShow Answer

The type of chemical bond formed when atoms share electrons is called a/an _______________ bond.

Correct AnswerverifiedShow Answer

Ribose and deoxyribose are examples of what type of organic molecule?

Correct AnswerverifiedShow Answer

Indicate the inorganic substance.

Correct AnswerverifiedShow Answer

Cholesterol is a type of protein.

Correct AnswerverifiedShow Answer

Atoms that gain or lose electrons become electrically charged and are called _____________.

Correct Answerverifiedions

In __________ reactions, parts of two different molecules trade positions.

Correct AnswerverifiedShow Answer

A/an _______________ reaction is illustrated as A + B → AB.

Correct AnswerverifiedShow Answer

Examples of proteins include DNA and RNA.

Correct AnswerverifiedShow Answer

Indicate the substance that is NOT an element.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
ions

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified