BIOLOGY 1201 MORONEY 2026 STUDY GUIDE
FINAL REVIEW NOTES COMPLETE
◉ What is the atomic number of an element?
A) The number of protons
B) The number of neutrons
C) The sum of protons and neutrons
D) The number of valence electrons.
Answer: A) The number of protons
◉ How do isotopes of an element differ?
A) In their number of protons
B) In their number of electrons
C) In their number of neutrons
D) In their atomic number.
Answer: C) In their number of neutrons
◉ What type of bond involves the sharing of electrons between
atoms?
,A) lonic bond
B) Hydrogen bond
C) Covalent bond
D) Van der Waals interaction.
Answer: C) Covalent bond
◉ A hydrogen bond can form between:
A) Two hydrogens in the same molecule
B) The hydrogen of one molecule and an electronegative atom of
another
C) Two carbon atoms
D) Two positively charged ions.
Answer: B) The hydrogen of one molecule and an electronegative
atom of another
◉ CHAPTER 3: Water and Life
Which property of water is most directly responsible for the ability
of insects to walk on water?
,A) Specific heat
B) Adhesion
C) Surface tension
D) Heat of vaporization.
Answer: C) Surface tension
◉ Water's high specific heat helps to:
A) Dissolve all substances
B) Buffer pH in cells
C) Stabilize ocean temperatures
D) Heat quickly for enzyme activity.
Answer: C) Stabilize ocean temperatures
◉ What causes water to be polar?
A) Equal sharing of electrons
B) Its hydrogen bonds
C) Unequal sharing of electrons between hydrogen and oxygen
D) Nonpolar covalent bonds.
Answer: C) Unequal sharing of electrons between hydrogen and
oxygen
, ◉ What is the pH of a solution with a hydrogen ion concentration of
10^-7 M?
A) 3
B) 5
C) 7
D) 9.
Answer: C) 7
◉ A buffer is a substance that:
A) Speeds up chemical reactions
B) Minimizes changes in pH
C) Neutralizes water
D) Removes ions from solution.
Answer: B) Minimizes changes in pH
◉ CHAPTER 4: Carbon and the Molecular Diversity of Life
Carbon can form how many covalent bonds?
FINAL REVIEW NOTES COMPLETE
◉ What is the atomic number of an element?
A) The number of protons
B) The number of neutrons
C) The sum of protons and neutrons
D) The number of valence electrons.
Answer: A) The number of protons
◉ How do isotopes of an element differ?
A) In their number of protons
B) In their number of electrons
C) In their number of neutrons
D) In their atomic number.
Answer: C) In their number of neutrons
◉ What type of bond involves the sharing of electrons between
atoms?
,A) lonic bond
B) Hydrogen bond
C) Covalent bond
D) Van der Waals interaction.
Answer: C) Covalent bond
◉ A hydrogen bond can form between:
A) Two hydrogens in the same molecule
B) The hydrogen of one molecule and an electronegative atom of
another
C) Two carbon atoms
D) Two positively charged ions.
Answer: B) The hydrogen of one molecule and an electronegative
atom of another
◉ CHAPTER 3: Water and Life
Which property of water is most directly responsible for the ability
of insects to walk on water?
,A) Specific heat
B) Adhesion
C) Surface tension
D) Heat of vaporization.
Answer: C) Surface tension
◉ Water's high specific heat helps to:
A) Dissolve all substances
B) Buffer pH in cells
C) Stabilize ocean temperatures
D) Heat quickly for enzyme activity.
Answer: C) Stabilize ocean temperatures
◉ What causes water to be polar?
A) Equal sharing of electrons
B) Its hydrogen bonds
C) Unequal sharing of electrons between hydrogen and oxygen
D) Nonpolar covalent bonds.
Answer: C) Unequal sharing of electrons between hydrogen and
oxygen
, ◉ What is the pH of a solution with a hydrogen ion concentration of
10^-7 M?
A) 3
B) 5
C) 7
D) 9.
Answer: C) 7
◉ A buffer is a substance that:
A) Speeds up chemical reactions
B) Minimizes changes in pH
C) Neutralizes water
D) Removes ions from solution.
Answer: B) Minimizes changes in pH
◉ CHAPTER 4: Carbon and the Molecular Diversity of Life
Carbon can form how many covalent bonds?
