Question 1

In the gut, the digestion of a meal to release nutrient molecules is an example of __________.

Accepted Answer

A)  catabolism 
B)  anabolism 
A)  catabolism 
B)  anabolism

Question 2

A segment of a DNA strand has the base sequence T, C, G, A, T, C. What is the base sequence of the complementary strand?

Accepted Answer

A)     T, C, G, A, T, C 
B)     A, G, C, T, A, G 
C)     U, C, G, A, U, C 
D)     A, G, C, U, A, G 
E)     C, T, A, G, C, T 
A)     T, C, G, A, T, C 
B)     A, G, C, T, A, G 
C)     U, C, G, A, U, C 
D)     A, G, C, U, A, G 
E)     C, T, A, G, C, T

Question 3

Compare the anaerobic phase of cellular respiration to the aerobic phase. Which results in the production of water?

Accepted Answer

A)  Aerobic phase 
B)  Anaerobic phase 
A)  Aerobic phase 
B)  Anaerobic phase

Question 4

During protein synthesis, what determines the amino acid order in the newly produced polypeptide chain?

Accepted Answer

A)  Ribosomal RNA 
B)  Transfer RNA 
C)  Messenger RNA 
A)  Ribosomal RNA 
B)  Transfer RNA 
C)  Messenger RNA

Question 5

The part of an enzyme called the __________ combines with a specific part of the substrate.

Accepted Answer

A)  polar site 
B)  active site 
C)  terminal site 
D)  nucleus 
E)  cofactor 
A)  polar site 
B)  active site 
C)  terminal site 
D)  nucleus 
E)  cofactor

Question 6

What is the term for the complete set of genetic instructions for an individual?

Accepted Answer

A)  Gene 
B)  Nucleus 
C)  DNA 
D)  Genome 
E)  Messenger RNA 
A)  Gene 
B)  Nucleus 
C)  DNA 
D)  Genome 
E)  Messenger RNA

Question 7

Each enzyme acts only on specific chemicals. What are these chemicals called?

Accepted Answer

A)  Genes 
B)  Catalysts 
C)  Activators 
D)  Cofactors 
E)  Substrates 
A)  Genes 
B)  Catalysts 
C)  Activators 
D)  Cofactors 
E)  Substrates

Question 8

A genome is a section of DNA in which the nitrogenous base sequence encodes a specific sequence of amino acids.

Accepted Answer

A) True 
 B)False

Question 9

Identify the complementary base pairs in DNA.

Accepted Answer

A)  A - G and C - T 
B)  A - G and C - U 
C)  A - A, G - G, C - C, and T - T 
D)  A - T and G - C 
A)  A - G and C - T 
B)  A - G and C - U 
C)  A - A, G - G, C - C, and T - T 
D)  A - T and G - C

Question 10

Where does the binding of an anticodon to a codon occur?

Accepted Answer

A)  Within a ribosome 
B)  In the cytosol 
C)  In the nucleus 
D)  In a mitochondrion 
A)  Within a ribosome 
B)  In the cytosol 
C)  In the nucleus 
D)  In a mitochondrion

Question 11

An enzyme exposed to certain chemicals, heat, extremes of pH, electricity, or radiation can become __________, potentially inactivating it.

Accepted Answer

A)  unnatural 
B)  genetically modified 
C)  denatured 
D)  mutated 
E)  catabolized 
A)  unnatural 
B)  genetically modified 
C)  denatured 
D)  mutated 
E)  catabolized

Question 12

For each molecule of glucose that is completely oxidized, how many ATP molecules are produced?

Accepted Answer

A)  2 
B)  4 
C)  25 
D)  32 
E)  48 
A)  2 
B)  4 
C)  25 
D)  32 
E)  48

Question 13

What is the fate of a glucose molecule during the anaerobic phase of cellular respiration?

Accepted Answer

A)  Glucose is broken down to yield two molecules of pyruvic acid. 
B)  Glucose combines with another glucose molecule to yield one molecule of pyruvic acid. 
C)  Glucose combines with oxygen to form a molecule of pyruvic acid. 
D)  Glucose is broken down to yield one molecule of pyruvic acid and one molecule of lactic acid. 
E)  Glucose remains unchanged. 
A)  Glucose is broken down to yield two molecules of pyruvic acid. 
B)  Glucose combines with another glucose molecule to yield one molecule of pyruvic acid. 
C)  Glucose combines with oxygen to form a molecule of pyruvic acid. 
D)  Glucose is broken down to yield one molecule of pyruvic acid and one molecule of lactic acid. 
E)  Glucose remains unchanged.

Question 14

A chemical reaction in which bonds are broken is associated with __________.

Accepted Answer

A)  the consumption of energy 
B)  the release of energy 
A)  the consumption of energy 
B)  the release of energy

Question 15

How are enzymes able to catalyze chemical reactions so that they proceed fast enough to sustain life?

Accepted Answer

A)  By transporting the product(s) of the reaction out of the cell 
B)  By decreasing the activation energy of the reaction 
C)  By creating more efficient metabolic pathways 
D)  By providing energy in the form of ATP 
E)  By removing cofactors and coenzymes that slow reactions 
A)  By transporting the product(s) of the reaction out of the cell 
B)  By decreasing the activation energy of the reaction 
C)  By creating more efficient metabolic pathways 
D)  By providing energy in the form of ATP 
E)  By removing cofactors and coenzymes that slow reactions

Question 16

What is the function of enzymes?

Accepted Answer

A)  To increase activation energy 
B)  To slow metabolic reactions 
C)  To function as catalysts 
D)  To act as reactants in chemical reactions 
E)  To convey the genetic code for a cell 
A)  To increase activation energy 
B)  To slow metabolic reactions 
C)  To function as catalysts 
D)  To act as reactants in chemical reactions 
E)  To convey the genetic code for a cell

Question 17

Cellular respiration occurs in three distinct series of reactions. What is the correct order of these reactions?

Accepted Answer

A)  Electron transport chain; glycolysis; citric acid cycle 
B)  Glycolysis; electron transport chain; citric acid cycle 
C)  Citric acid cycle; glycolysis; electron transport chain 
D)  Glycolysis; citric acid cycle; electron transport chain 
E)  Electron transport chain; citric acid cycle; glycolysis 
A)  Electron transport chain; glycolysis; citric acid cycle 
B)  Glycolysis; electron transport chain; citric acid cycle 
C)  Citric acid cycle; glycolysis; electron transport chain 
D)  Glycolysis; citric acid cycle; electron transport chain 
E)  Electron transport chain; citric acid cycle; glycolysis

Question 18

What is an example of dehydration synthesis?

Accepted Answer

A)  Converting a protein into amino acids 
B)  Converting monosaccharides into glycogen 
C)  Converting water molecules into hydrogen and hydroxyl ions 
D)  Converting a triglyceride into cholesterol 
A)  Converting a protein into amino acids 
B)  Converting monosaccharides into glycogen 
C)  Converting water molecules into hydrogen and hydroxyl ions 
D)  Converting a triglyceride into cholesterol

Question 19

How is water involved in the process of hydrolysis?

Accepted Answer

A)  A water molecule is released. 
B)  A water molecule is consumed. 
A)  A water molecule is released. 
B)  A water molecule is consumed.

Question 20

The term __________ includes all of the chemical reactions that occur in the body.

Accepted Answer

The answer of The term __________ includes all of the...

In the gut, the digestion of a meal to release nutrient molecules is an example of __________.

A segment of a DNA strand has the base sequence T, C, G, A, T, C. What is the base sequence of the complementary strand?

Compare the anaerobic phase of cellular respiration to the aerobic phase. Which results in the production of water?

During protein synthesis, what determines the amino acid order in the newly produced polypeptide chain?

The part of an enzyme called the __________ combines with a specific part of the substrate.

What is the term for the complete set of genetic instructions for an individual?

Each enzyme acts only on specific chemicals. What are these chemicals called?

A genome is a section of DNA in which the nitrogenous base sequence encodes a specific sequence of amino acids.

Identify the complementary base pairs in DNA.

Where does the binding of an anticodon to a codon occur?

An enzyme exposed to certain chemicals, heat, extremes of pH, electricity, or radiation can become __________, potentially inactivating it.

For each molecule of glucose that is completely oxidized, how many ATP molecules are produced?

What is the fate of a glucose molecule during the anaerobic phase of cellular respiration?

A chemical reaction in which bonds are broken is associated with __________.

How are enzymes able to catalyze chemical reactions so that they proceed fast enough to sustain life?

What is the function of enzymes?

Cellular respiration occurs in three distinct series of reactions. What is the correct order of these reactions?

What is an example of dehydration synthesis?

How is water involved in the process of hydrolysis?

The term __________ includes all of the chemical reactions that occur in the body.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Tissues

Integumentary System

Skeletal System

Muscular System

Pregnancy, Growth, Development, and Genetics

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestion and Nutrition

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Filters

Exam 4: Cellular Metabolism

In the gut, the digestion of a meal to release nutrient molecules is an example of __________.

A segment of a DNA strand has the base sequence T, C, G, A, T, C. What is the base sequence of the complementary strand?

Compare the anaerobic phase of cellular respiration to the aerobic phase. Which results in the production of water?

During protein synthesis, what determines the amino acid order in the newly produced polypeptide chain?

The part of an enzyme called the __________ combines with a specific part of the substrate.

What is the term for the complete set of genetic instructions for an individual?

Each enzyme acts only on specific chemicals. What are these chemicals called?

A genome is a section of DNA in which the nitrogenous base sequence encodes a specific sequence of amino acids.

Identify the complementary base pairs in DNA.

Where does the binding of an anticodon to a codon occur?

An enzyme exposed to certain chemicals, heat, extremes of pH, electricity, or radiation can become __________, potentially inactivating it.

For each molecule of glucose that is completely oxidized, how many ATP molecules are produced?

What is the fate of a glucose molecule during the anaerobic phase of cellular respiration?

A chemical reaction in which bonds are broken is associated with __________.

How are enzymes able to catalyze chemical reactions so that they proceed fast enough to sustain life?

What is the function of enzymes?

Cellular respiration occurs in three distinct series of reactions. What is the correct order of these reactions?

What is an example of dehydration synthesis?

How is water involved in the process of hydrolysis?

The term __________ includes all of the chemical reactions that occur in the body.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Tissues

Integumentary System

Skeletal System

Muscular System

Pregnancy, Growth, Development, and Genetics

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestion and Nutrition

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Filters