Question 1

A +   AB is an example of a(n)_____ reaction.

Accepted Answer

A)  decomposition reaction. 
B)  reversible reaction. 
C)  exchange reaction. 
D)  Both A and B are correct. 
A)  decomposition reaction. 
B)  reversible reaction. 
C)  exchange reaction. 
D)  Both A and B are correct.

Question 2

Name and describe the structural levels of protein.

Accepted Answer

Proteins have four structural levels: pr

Question 3

The element oxygen has an atomic number of 8,which means it contains:

Accepted Answer

A)  4 protons and 4 neutrons. 
B)  8 protons. 
C)  8 neutrons. 
D)  4 protons and 4 electrons. 
A)  4 protons and 4 neutrons. 
B)  8 protons. 
C)  8 neutrons. 
D)  4 protons and 4 electrons.

Question 4

The study of metabolism includes examination of:

Accepted Answer

A)  catabolism. 
B)  anabolism. 
C)  ATP requirements. 
D)  all of the above. 
A)  catabolism. 
B)  anabolism. 
C)  ATP requirements. 
D)  all of the above.

Question 5

Acids:

Accepted Answer

A)  are proton donors. 
B)  taste sour. 
C)  release hydrogen ions in an aqueous solution. 
D)  are all of the above. 
A)  are proton donors. 
B)  taste sour. 
C)  release hydrogen ions in an aqueous solution. 
D)  are all of the above.

Question 6

Match each term to its corresponding descriptive phrase.
-nucleic acid that contains thymine and deoxyribose sugar

Accepted Answer

A) Acid 
B) Base 
C) RNA 
D) DNA 
E) Carbohydrate
F)Fat
G)Steroid
H)Protein
I)Prostaglandins
J)ATP 
A) Acid 
B) Base 
C) RNA 
D) DNA 
E) Carbohydrate
F)Fat
G)Steroid
H)Protein
I)Prostaglandins
J)ATP

Question 7

If an atom with a total of nine (9)electrons was to ionically bond with an atom with a total of three (3)electrons,what would occur?

Accepted Answer

A)  The atom with 9 electrons would share one of its electrons with the other atom. 
B)  The atom with 9 electrons would lose one of its electrons, and the atom with 3 electrons would accept it. 
C)  The atom with 9 electrons would accept one of the electrons from the atom with 3 electrons. 
D)  The atom with 3 electrons would share one of its electrons with the other atom. 
A)  The atom with 9 electrons would share one of its electrons with the other atom. 
B)  The atom with 9 electrons would lose one of its electrons, and the atom with 3 electrons would accept it. 
C)  The atom with 9 electrons would accept one of the electrons from the atom with 3 electrons. 
D)  The atom with 3 electrons would share one of its electrons with the other atom.

Question 8

Which type of radiation consists of an electron that is released by the nucleus of an atom?

Accepted Answer

A)  Alpha 
B)  Beta 
C)  Delta 
D)  Gamma 
A)  Alpha 
B)  Beta 
C)  Delta 
D)  Gamma

Question 9

The total number of electrons in a neutral atom equals the number of:

Accepted Answer

A)  neutrons orbiting the atom. 
B)  protons plus the number of neutrons in its nucleus. 
C)  protons in its nucleus. 
D)  ions in its nucleus. 
A)  neutrons orbiting the atom. 
B)  protons plus the number of neutrons in its nucleus. 
C)  protons in its nucleus. 
D)  ions in its nucleus.

Question 10

An example of an element would be:

Accepted Answer

A)  Ne. 
B)  CO2. 
C)  C6H12O6. 
D)  H2O. 
A)  Ne. 
B)  CO2. 
C)  C6H12O6. 
D)  H2O.

Question 11

Match each term to its corresponding descriptive phrase.
-releases a hydroxide ion into solution,which raises the pH

Accepted Answer

A) Acid 
B) Base 
C) RNA 
D) DNA 
E) Carbohydrate
F)Fat
G)Steroid
H)Protein
I)Prostaglandins
J)ATP 
A) Acid 
B) Base 
C) RNA 
D) DNA 
E) Carbohydrate
F)Fat
G)Steroid
H)Protein
I)Prostaglandins
J)ATP

Question 12

Amino acids frequently become joined by:

Accepted Answer

A)  peptide bonds. 
B)  catabolic reactions. 
C)  atrophic reactions. 
D)  all of the above. 
A)  peptide bonds. 
B)  catabolic reactions. 
C)  atrophic reactions. 
D)  all of the above.

Question 13

Which of the following is not true of carbohydrates?

Accepted Answer

A)  They include substances commonly called sugars. 
B)  They are the body's primary source of energy. 
C)  They are a part of both DNA and RNA. 
D)  All of the above are true of carbohydrates. 
A)  They include substances commonly called sugars. 
B)  They are the body's primary source of energy. 
C)  They are a part of both DNA and RNA. 
D)  All of the above are true of carbohydrates.

Question 14

As the concentration of hydroxide ions (OH-)increases,the:

Accepted Answer

A)  solution becomes more basic. 
B)  solution becomes more acidic. 
C)  pH rises. 
D)  Both A and C are correct. 
A)  solution becomes more basic. 
B)  solution becomes more acidic. 
C)  pH rises. 
D)  Both A and C are correct.

Question 15

Match each term to its corresponding descriptive phrase.
-subatomic particle that has a negative charge and is found in a "cloud" surrounding the nucleus of the atom

Accepted Answer

A) Proton 
B) Neutron 
C) Electron 
D) Isotopes 
E) Ionic bonds
F)Covalent bonds
G)Octet rule
H)Atomic number
I)Atomic mass
J)Hydrogen bonds 
A) Proton 
B) Neutron 
C) Electron 
D) Isotopes 
E) Ionic bonds
F)Covalent bonds
G)Octet rule
H)Atomic number
I)Atomic mass
J)Hydrogen bonds

Question 16

The kind of element is determined by the number of:

Accepted Answer

A)  protons. 
B)  neutrons. 
C)  mesotrons. 
D)  electrons. 
A)  protons. 
B)  neutrons. 
C)  mesotrons. 
D)  electrons.

Question 17

The hydrogen isotope tritium consists of:

Accepted Answer

A)  one proton. 
B)  one proton and one neutron. 
C)  two protons and one neutron. 
D)  one proton and two neutrons. 
A)  one proton. 
B)  one proton and one neutron. 
C)  two protons and one neutron. 
D)  one proton and two neutrons.

Question 18

AB + C→ AD + CB is an example of a(n)_____ reaction.

Accepted Answer

A)  synthesis 
B)  exchange 
C)  decomposition 
D)  reversible 
A)  synthesis 
B)  exchange 
C)  decomposition 
D)  reversible

Question 19

Which of the following is not a major function of protein?

Accepted Answer

A)  Provides structure for the body 
B)  Acts as a catalyst for chemical reactions in the form of enzymes 
C)  Provides energy for the body 
D)  All of the above are functions of protein. 
A)  Provides structure for the body 
B)  Acts as a catalyst for chemical reactions in the form of enzymes 
C)  Provides energy for the body 
D)  All of the above are functions of protein.

Question 20

Approximately what percentage of body weight is water?

Accepted Answer

A)  40% 
B)  50% 
C)  60% 
D)  70% 
A)  40% 
B)  50% 
C)  60% 
D)  70%

Exam 2: B: The Chemical Basis of Life

A + AB is an example of a(n)_____ reaction.

Name and describe the structural levels of protein.

The element oxygen has an atomic number of 8,which means it contains:

The study of metabolism includes examination of:

Acids:

Match each term to its corresponding descriptive phrase. -nucleic acid that contains thymine and deoxyribose sugar

If an atom with a total of nine (9)electrons was to ionically bond with an atom with a total of three (3)electrons,what would occur?

Which type of radiation consists of an electron that is released by the nucleus of an atom?

The total number of electrons in a neutral atom equals the number of:

An example of an element would be:

Match each term to its corresponding descriptive phrase. -releases a hydroxide ion into solution,which raises the pH

Amino acids frequently become joined by:

Which of the following is not true of carbohydrates?

As the concentration of hydroxide ions (OH-)increases,the:

Match each term to its corresponding descriptive phrase. -subatomic particle that has a negative charge and is found in a "cloud" surrounding the nucleus of the atom

The kind of element is determined by the number of:

The hydrogen isotope tritium consists of:

AB + C→ AD + CB is an example of a(n)_____ reaction.

Which of the following is not a major function of protein?

Approximately what percentage of body weight is water?

A: Organization of the Body

B: Organization of the Body

A: The Chemical Basis of Life

A: Anatomy of Cells

B: Anatomy of Cells

Physiology of Cells

Cell Growth and Reproduction

Tissues

A: Skin and Its Appendages

B: Skin and Its Appendages

A: Skeletal Tissues

B: Skeletal Tissues

Skeletal System

A: Articulations

B: Articulations

A: Anatomy of the Muscular System

B: Anatomy of the Muscular System

A: Physiology of the Muscular System

B: Physiology of the Muscular System

A: Nervous System Cells

B: Nervous System Cells

A: Central Nervous System

B: Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

A: Sense Organs

B: Sense Organs

Endocrine System

Endocrine Glands

Blood

Anatomy of the Cardiovascular System

A: Physiology of the Cardiovascular System

B: Physiology of the Cardiovascular System

Lymphatic System

A: Immune System

B: Immune System

Stress

Anatomy of the Respiratory System

A: Physiology of the Respiratory System

B: Physiology of the Respiratory System

A: Anatomy of the Digestive System

B: Anatomy of the Digestive System

A: Physiology of the Digestive System

B: Physiology of the Digestive System

A: Nutrition and Metabolism

B: Nutrition and Metabolism

A: Urinary System

B: Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

A: Female Reproductive System

B: Female Reproductive System

A: Growth and Development

B: Growth and Development

A: Genetics and Heredity

B: Genetics and Heredity

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