Question 1

Minerals are found in all of the following except __________.

Accepted Answer

A)  bones and teeth
B)  vitamins
C)  thyroid hormone
D)  electrolytesE) A) and B)
F) A) and D)

Question 2

The breakdown of starch by digestive enzymes into glucose molecules is a(n) __________ reaction.

Accepted Answer

A)  synthesis
B)  decomposition
C)  exchange
D)  anabolic
E)  reductionF) A) and E)
G) B) and D) B

Question 3

ATP is the body's most important form of long-term energy storage.

Accepted Answer

A) True 
 B)False

Question 4

The formula of an amino group is __________; the formula of a carboxyl group is __________.

Accepted Answer

A)  -COOH; -OH
B)  -CH3; -NH2
C)  -OH; -SH
D)  -NH2; -COOH
E)  -SH; -H2PO4F) All of the above
G) A) and E)

Question 5

Amylase is a digestive enzyme that breaks starches down into sugars through __________ reactions.

Accepted Answer

A)  hydrolysis
B)  dehydration synthesis
C)  anabolic
D)  endergonicE) B) and D)
F) All of the above

Question 6

Blood contains NaCl,protein,and cells.The NaCl is in a(n) __________,the protein is in a(n) __________,and the cells are in a __________.

Accepted Answer

A)  emulsion; solution; suspension
B)  solvent; emulsion; colloid
C)  colloid; suspension; solution
D)  suspension; colloid; solution
E)  solution; colloid; suspensionF) A) and E)
G) D) and E)

Question 7

__________ is the substrate of __________.

Accepted Answer

A)  Glucose; lactose
B)  Lactase; glucose
C)  Lactose; lactase
D)  Galactose; lactose
E)  Sucrase; sucroseF) A) and B)
G) A) and C)

Question 8

Ionic bonds break apart in water more easily than covalent bonds do.

Accepted Answer

A) True 
 B)False

Question 9

The opposite of a dehydration synthesis reaction is a hydrolysis reaction.

Accepted Answer

A) True 
 B)False

Question 10

Molecules composed of two or more atoms are called compounds.

Accepted Answer

A) True 
 B)False

Question 11

Oxygen has an atomic number of 8 and an atomic mass of 16.How many valence electrons does it have?

Accepted Answer

A)  2
B)  4
C)  6
D)  8
E)  16F) C) and E)
G) All of the above

Question 12

The folding and coiling of a protein into a globular shape is the __________ structure of the protein.

Accepted Answer

A)  primary
B)  secondary
C)  tertiary
D)  quaternary
E)  denaturedF) B) and D)
G) B) and C) C

Question 13

A drastic conformational change in a protein in response to extreme heat or pH is called __________.

Accepted Answer

A)  contamination
B)  denaturation
C)  saturation
D)  sedimentation
E)  deconformationF) C) and E)
G) A) and D)

Question 14

The breakdown of glycogen (an energy-storage compound) is an example of a(n) __________ reaction.

Accepted Answer

A)  exergonic
B)  endergonic
C)  exchange
D)  synthesis
E)  equilibriumF) A) and B)
G) A) and C)

Question 15

What type of bond attracts one water molecule to another?

Accepted Answer

A)  An ionic bond
B)  A peptide bond
C)  A hydrogen bond
D)  A covalent bond
E)  A hydrolytic bondF) A) and E)
G) A) and D)

Question 16

The most abundant element in the human body,by weight,is __________.

Accepted Answer

A)  nitrogen
B)  hydrogen
C)  carbon
D)  oxygen
E)  calciumF) B) and D)
G) C) and D) D

Question 17

Which of the following terms encompasses all of the other ones?

Accepted Answer

A)  Catabolism
B)  Anabolism
C)  Metabolism
D)  Oxidation reactions
E)  Reduction reactionsF) None of the above
G) A) and E)

Question 18

Carbon is very versatile in forming bonds with other atoms because it has __________ valence electrons.

Accepted Answer

A)  four
B)  two
C)  eight
D)  sixE) A) and C)
F) None of the above

Question 19

Chemical reactions in which larger molecules are broken down into smaller ones are called catabolic reactions.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not an organic compound?

Accepted Answer

A)  C16H18N3ClS
B)  Na2HPO3(H2O) 5
C)  CH4
D)  C3H7O2NE) A) and C)
F) A) and B)

Exam 2: The Chemistry of Life

Minerals are found in all of the following except __________.

Correct AnswerverifiedShow Answer

The breakdown of starch by digestive enzymes into glucose molecules is a(n) __________ reaction.

Correct AnswerverifiedB

ATP is the body's most important form of long-term energy storage.

Correct AnswerverifiedShow Answer

The formula of an amino group is __________; the formula of a carboxyl group is __________.

Correct AnswerverifiedShow Answer

Amylase is a digestive enzyme that breaks starches down into sugars through __________ reactions.

Correct AnswerverifiedShow Answer

Blood contains NaCl,protein,and cells.The NaCl is in a(n) __________,the protein is in a(n) __________,and the cells are in a __________.

Correct AnswerverifiedShow Answer

__________ is the substrate of __________.

Correct AnswerverifiedShow Answer

Ionic bonds break apart in water more easily than covalent bonds do.

Correct AnswerverifiedShow Answer

The opposite of a dehydration synthesis reaction is a hydrolysis reaction.

Correct AnswerverifiedShow Answer

Molecules composed of two or more atoms are called compounds.

Correct AnswerverifiedShow Answer

Oxygen has an atomic number of 8 and an atomic mass of 16.How many valence electrons does it have?

Correct AnswerverifiedShow Answer

The folding and coiling of a protein into a globular shape is the __________ structure of the protein.

Correct AnswerverifiedC

A drastic conformational change in a protein in response to extreme heat or pH is called __________.

Correct AnswerverifiedShow Answer

The breakdown of glycogen (an energy-storage compound) is an example of a(n) __________ reaction.

Correct AnswerverifiedShow Answer

What type of bond attracts one water molecule to another?

Correct AnswerverifiedShow Answer

The most abundant element in the human body,by weight,is __________.

Correct AnswerverifiedD

Which of the following terms encompasses all of the other ones?

Correct AnswerverifiedShow Answer

Carbon is very versatile in forming bonds with other atoms because it has __________ valence electrons.

Correct AnswerverifiedShow Answer

Chemical reactions in which larger molecules are broken down into smaller ones are called catabolic reactions.

Correct AnswerverifiedShow Answer

Which of the following is not an organic compound?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

The formula of an amino group is ; the formula of a carboxyl group is .

Correct Answer
verified

Correct Answer
verified

Blood contains NaCl,protein,and cells.The NaCl is in a(n) ,the protein is in a(n) ,and the cells are in a __.

Correct Answer
verified

is the substrate of .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified