Question 1

Which of the following is not a monosaccharide?

Accepted Answer

A)  glucose
B)  fructose
C)  galactose
D)  maltose
E)  None of these are monosaccharides.F) A) and E)
G) A) and B)

Question 2

List the function of proteins that are formed from a combination of amino acids.

Accepted Answer

Functions of proteins include:
1.support...

Question 3

Joining small molecules (monomers) together to form longer chains (polymers) requires a process called

Accepted Answer

A)  a hydrolysis reaction.
B)  a dehydration reaction.
C)  monomerization.
D)  emulsification.
E)  disassembly.F) A) and C)
G) C) and E)

Question 4

An element cannot be broken down by chemical means.

Accepted Answer

A) True 
 B)False

Question 5

When an ATP molecule is used to supply energy,which of the following occurs?

Accepted Answer

A)  a phosphate bond is added
B)  a phosphate bond is broken
C)  oxygen is removed
D)  oxygen is added
E)  an adenine is addedF) A) and B)
G) A) and E)

Question 6

Which polysacccharide is stored as an energy source in the body of animals?

Accepted Answer

A)  glycogen
B)  glucose
C)  cellulose
D)  starch
E)  chitinF) A) and B)
G) A) and C)

Question 7

When two amino acids combine via a dehydration reaction,

Accepted Answer

A)  a peptide bond is formed.
B)  the R groups are lost.
C)  water is added to begin the reaction.
D)  the carboxyl group of each join together.
E)  the amino group of each join together.F) B) and D)
G) A) and C)

Question 8

Fats are usually of animal origin while oils are usually of plant origin.

Accepted Answer

A) True 
 B)False

Question 9

The function of RNA in the body is to store the genetic information in the nucleus.

Accepted Answer

A) True 
 B)False

Question 10

Isotopes of an element differ due to the number of

Accepted Answer

A)  protons.
B)  neutrons.
C)  electrons.
D)  both protons and electrons.
E)  neutrinos.F) A) and D)
G) All of the above

Question 11

In an atom,the number of protons always equals the number

Accepted Answer

A)  of electrons.
B)  of neutrons.
C)  of neutrons and protons.
D)  of quarks.
E)  of neutrinos.F) A) and E)
G) A) and D)

Question 12

The reason water is polar is because

Accepted Answer

A)  in polar molecules atoms share electrons evenly.
B)  the oxygen atom is larger than the hydrogen atom.
C)  hydrophilic molecules interact with water.
D)  hydrophobic molecules do not interact with water.
E)  there is a transfer of electrons from the hydrogen to the oxygen.F) A) and D)
G) B) and D)

Question 13

Which of the following is not a function of proteins?

Accepted Answer

A)  quick energy
B)  support
C)  transport
D)  enzymes
E)  motionF) C) and E)
G) C) and D)

Question 14

NaCl is not an organic molecule.

Accepted Answer

A) True 
 B)False

Question 15

William noticed water mysteriously climbing up a capillary tube.This is an example of which property of water?

Accepted Answer

A)  Frozen water is less dense than liquid water.
B)  The temperature of liquid water rises and falls slowly.
C)  Water molecules are cohesive.
D)  Water has a high heat of vaporization.
E)  Water is a solvent.F) C) and E)
G) A) and C)

Question 16

Which of the following characteristics of water is most responsible for the sinking of the Titanic?

Accepted Answer

A)  Water is liquid at room temperature.
B)  Water has a high heat of vaporization.
C)  The temperature of liquid water rises and falls slowly.
D)  Frozen water is less dense than liquid water.
E)  Water molecules are cohesivE.F) D) and E)
G) B) and C)

Question 17

List the properties of water.

Accepted Answer

1.Water has a high heat capaci...

Question 18

Which type of bond is responsible for holding two water molecules together creating the properties of water?

Accepted Answer

A)  hydrogen
B)  covalent
C)  ionic
D)  polar
E)  double covalentF) D) and E)
G) A) and E)

Question 19

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

Accepted Answer

A)  secondary structure
B)  primary structure
C)  tertiary structure
D)  quaternary structure
E)  pentagonal structureF) B) and D)
G) A) and E)

Question 20

What makes each amino acid unique?

Accepted Answer

A)  the central carbon
B)  the R group
C)  the amino group
D)  the carboxyl group
E)  the carbon ringF) C) and D)
G) None of the above

Exam 2: Chemistry of Life

Which of the following characteristics of water is most responsible for the sinking of the Titanic?

Correct AnswerverifiedShow Answer

List the function of proteins that are formed from a combination of amino acids.

Correct AnswerverifiedFunctions of proteins include:1.support...View AnswerShow Answer

Fats are usually of animal origin while oils are usually of plant origin.

Correct AnswerverifiedShow Answer

NaCl is not an organic molecule.

Correct AnswerverifiedShow Answer

Joining small molecules (monomers) together to form longer chains (polymers) requires a process called

Correct AnswerverifiedShow Answer

Which of the following is not a monosaccharide?

Correct AnswerverifiedShow Answer

Isotopes of an element differ due to the number of

Correct AnswerverifiedShow Answer

Which of the following is not a function of proteins?

Correct AnswerverifiedShow Answer

The reason water is polar is because

Correct AnswerverifiedShow Answer

An element cannot be broken down by chemical means.

Correct AnswerverifiedShow Answer

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

Correct AnswerverifiedShow Answer

When two amino acids combine via a dehydration reaction,

Correct AnswerverifiedShow Answer

William noticed water mysteriously climbing up a capillary tube.This is an example of which property of water?

Correct AnswerverifiedShow Answer

Which polysacccharide is stored as an energy source in the body of animals?

Correct AnswerverifiedShow Answer

What makes each amino acid unique?

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Which type of bond is responsible for holding two water molecules together creating the properties of water?

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The function of RNA in the body is to store the genetic information in the nucleus.

Correct AnswerverifiedShow Answer

List the properties of water.

Correct Answerverified1.Water has a high heat capaci...View AnswerShow Answer

In an atom,the number of protons always equals the number

Correct AnswerverifiedShow Answer

When an ATP molecule is used to supply energy,which of the following occurs?

Correct AnswerverifiedShow Answer

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Functions of proteins include:
1.support...
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1.Water has a high heat capaci...
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