Question 1

-The sodium chloride molecule breaks apart in water. What does "C" represent?

Accepted Answer

A)  Chloride ion 
B)  Dissociation 
C)  Water molecule 
D)  Sodium ion 
E)  Salt crystal 
A)  Chloride ion 
B)  Dissociation 
C)  Water molecule 
D)  Sodium ion 
E)  Salt crystal

Question 2

Which of the following statements correctly describes ATP?

Accepted Answer

A)  Can be synthesized from ADP 
B)  Stores and releases energy in the cell 
C)  Is associated with a reversible reaction 
D)  Is associated with anabolism and catabolism 
E)  All of the choices are correct. 
A)  Can be synthesized from ADP 
B)  Stores and releases energy in the cell 
C)  Is associated with a reversible reaction 
D)  Is associated with anabolism and catabolism 
E)  All of the choices are correct.

Question 3

A research group is monitoring a series of reactions and have determined it is most likely a hydrolysis reaction because the number of ________.

Accepted Answer

A)  water molecules decreased 
B)  water molecules increased 
C)  oxygen molecules increased 
D)  oxygen molecules decreased 
A)  water molecules decreased 
B)  water molecules increased 
C)  oxygen molecules increased 
D)  oxygen molecules decreased

Question 4

The amount of matter in an object is its ________.

Accepted Answer

A)  mass 
B)  weight 
C)  atomic number 
D)  element 
E)  ionic charge 
A)  mass 
B)  weight 
C)  atomic number 
D)  element 
E)  ionic charge

Question 5

A substance composed of two or more different types of atoms is a/an ________.

Accepted Answer

A)  compound 
B)  element 
C)  ion 
D)  molecule 
E)  Both compound and molecule are correct. 
A)  compound 
B)  element 
C)  ion 
D)  molecule 
E)  Both compound and molecule are correct.

Question 6

Intermolecular forces

Accepted Answer

A)  form dissociated ions. 
B)  are electrostatic attractions between different molecules. 
C)  evenly distribute electrical charge among all atoms in a sample. 
D)  separate atoms and ions from one another. 
E)  are found within molecules. 
A)  form dissociated ions. 
B)  are electrostatic attractions between different molecules. 
C)  evenly distribute electrical charge among all atoms in a sample. 
D)  separate atoms and ions from one another. 
E)  are found within molecules.

Question 7

Polysaccharides

Accepted Answer

A)  are formed when sucrose and glucose combine. 
B)  are the smallest carbohydrates. 
C)  contain carbon, hydrogen, and phosphate atoms. 
D)  contain long chains of monosaccharides. 
E)  are not found in plants. 
A)  are formed when sucrose and glucose combine. 
B)  are the smallest carbohydrates. 
C)  contain carbon, hydrogen, and phosphate atoms. 
D)  contain long chains of monosaccharides. 
E)  are not found in plants.

Question 8

From the following list, select the one organic substance found in the human body.

Accepted Answer

A)  Oxygen 
B)  Water 
C)  Glucose 
D)  Calcium 
A)  Oxygen 
B)  Water 
C)  Glucose 
D)  Calcium

Question 9

-The sodium chloride molecule breaks apart in water. What does "B" represent?

Accepted Answer

A)  Chloride ion 
B)  Dissociation 
C)  Water molecule 
D)  Sodium ion 
E)  Salt crystal 
A)  Chloride ion 
B)  Dissociation 
C)  Water molecule 
D)  Sodium ion 
E)  Salt crystal

Question 10

Most enzymes are ________.

Accepted Answer

A)  cofactors 
B)  proteins 
C)  lipids 
D)  carbohydrates 
E)  nucleic acids 
A)  cofactors 
B)  proteins 
C)  lipids 
D)  carbohydrates 
E)  nucleic acids

Question 11

Which of the following is the correct complementary strand to CATGTC?

Accepted Answer

A)  GTACAG 
B)  CATGTC 
C)  GUACAG 
D)  AGCACA 
E)  TCGTAT 
A)  GTACAG 
B)  CATGTC 
C)  GUACAG 
D)  AGCACA 
E)  TCGTAT

Question 12

Blood contains NaCl, protein, and cells. The NaCl is in a/an ________, the protein is in a/an ________, 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; suspension 
A)  emulsion; solution; suspension 
B)  solvent; emulsion; colloid 
C)  colloid; suspension; solution 
D)  suspension; colloid; solution 
E)  solution; colloid; suspension

Question 13

Considering the following analogy, determine which component represents ATP's role in the cells of the body. As the river flows past the old mill, it turns the water wheel, which in turns powers the movement of the millstone that grinds the wheat.

Accepted Answer

A)  Water wheel 
B)  River 
C)  Millstone 
D)  Wheat 
A)  Water wheel 
B)  River 
C)  Millstone 
D)  Wheat

Question 14

Chemical energy

Accepted Answer

A)  moves matter. 
B)  results from the position or movement of objects. 
C)  is a form of potential energy within chemical bonds. 
D)  comes from the sun. 
E)  is not important in physiological processes. 
A)  moves matter. 
B)  results from the position or movement of objects. 
C)  is a form of potential energy within chemical bonds. 
D)  comes from the sun. 
E)  is not important in physiological processes.

Question 15

When the hydrogen bonds that maintain a protein's three-dimensional shape are broken, the protein becomes nonfunctional, and is said to be ________.

Accepted Answer

A)  essential 
B)  denatured 
C)  structural 
D)  unsaturated 
E)  saturated 
A)  essential 
B)  denatured 
C)  structural 
D)  unsaturated 
E)  saturated

Question 16

Molecules that form when electrons are shared unequally between atoms are called ________ molecules.

Accepted Answer

A)  salt 
B)  polar 
C)  nonpolar 
D)  lopsided 
E)  None of the choices are correct. 
A)  salt 
B)  polar 
C)  nonpolar 
D)  lopsided 
E)  None of the choices are correct.

Question 17

The energy stored in ATP is a form of ________ energy.

Accepted Answer

A)  mechanical 
B)  chemical 
C)  kinetic 
D)  heat 
E)  electrical 
A)  mechanical 
B)  chemical 
C)  kinetic 
D)  heat 
E)  electrical

Question 18

Which of the following lists includes only monosaccharides that are isomers of one another?

Accepted Answer

A)  Glycogen, glucose, sucrose 
B)  Starch, glycogen, cellulose 
C)  Glucose, fructose, galactose 
D)  Ribose, glycogen, glucose 
E)  Deoxyribose, glycogen, starch 
A)  Glycogen, glucose, sucrose 
B)  Starch, glycogen, cellulose 
C)  Glucose, fructose, galactose 
D)  Ribose, glycogen, glucose 
E)  Deoxyribose, glycogen, starch

Question 19

A weak acid was introduced to a solution. Which of the following accurately describes the condition of the solution after adding the weak acid?

Accepted Answer

A)  The solution would have an increase in H+ with some of the weak acid molecules still intact. 
B)  The solution would have a decrease in H+ with some of the weak acid molecules still intact. 
C)  The solution would have an increase in H+ with none of the weak acid molecules still intact. 
D)  The solution would have a decrease in H+ with none of the weak acid molecules still intact. 
A)  The solution would have an increase in H+ with some of the weak acid molecules still intact. 
B)  The solution would have a decrease in H+ with some of the weak acid molecules still intact. 
C)  The solution would have an increase in H+ with none of the weak acid molecules still intact. 
D)  The solution would have a decrease in H+ with none of the weak acid molecules still intact.

Question 20

Which of the following pairs is mismatched?

Accepted Answer

A)  Synthesis reaction - two reactants combine to form a larger product 
B)  Decomposition reaction - large reactant broken into smaller products 
C)  Oxidation - gain of electrons 
D)  Dehydration reaction - water is a product of the reaction 
E)  Hydrolysis - water is used in decomposition reaction 
A)  Synthesis reaction - two reactants combine to form a larger product 
B)  Decomposition reaction - large reactant broken into smaller products 
C)  Oxidation - gain of electrons 
D)  Dehydration reaction - water is a product of the reaction 
E)  Hydrolysis - water is used in decomposition reaction

Exam 2: The Chemical Basis of Life

-The sodium chloride molecule breaks apart in water. What does "C" represent?

Which of the following statements correctly describes ATP?

A research group is monitoring a series of reactions and have determined it is most likely a hydrolysis reaction because the number of ________.

The amount of matter in an object is its ________.

A substance composed of two or more different types of atoms is a/an ________.

Intermolecular forces

Polysaccharides

From the following list, select the one organic substance found in the human body.

-The sodium chloride molecule breaks apart in water. What does "B" represent?

Most enzymes are ________.

Which of the following is the correct complementary strand to CATGTC?

Blood contains NaCl, protein, and cells. The NaCl is in a/an ________, the protein is in a/an ________, and the cells are in a ________.

Considering the following analogy, determine which component represents ATP's role in the cells of the body. As the river flows past the old mill, it turns the water wheel, which in turns powers the movement of the millstone that grinds the wheat.

Chemical energy

When the hydrogen bonds that maintain a protein's three-dimensional shape are broken, the protein becomes nonfunctional, and is said to be ________.

Molecules that form when electrons are shared unequally between atoms are called ________ molecules.

The energy stored in ATP is a form of ________ energy.

Which of the following lists includes only monosaccharides that are isomers of one another?

A weak acid was introduced to a solution. Which of the following accurately describes the condition of the solution after adding the weak acid?

Which of the following pairs is mismatched?

The Human Organism

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters

Blood contains NaCl, protein, and cells. The NaCl is in a/an , the protein is in a/an , and the cells are in a .