Seminole State Campell Biology Final
Exam Review Questions And Answers
Verified 100% Correct
Isotopes of an element are similar in the sense that they have the same - ANSWER
-number of protons.
Isotopes of an element differ in the sense that they have a different - ANSWER -
number of neutrons.
A sharing of a pair of valence electrons by two atoms is referred to as a -
ANSWER -covalent bond.
Atoms that have an *equal* sharing of a pair of valence electrons is called a -
ANSWER -nonpolar covalent bond.
Atoms that have an *unequal* sharing of a pair of valence electrons is called a -
ANSWER -polar covalent bond.
Energy that matter possess due to location or its structure is known as - ANSWER
-potential energy.
When a cation and anion are attracted to each other, this is known as a(n) -
ANSWER -ionic bond.
The attraction between a hydrogen covalently bonded to one electronegative atom
and another electronegative atom is called a - ANSWER -hydrogen bond
Electrons are not evenly distributed; at any instant, they may accumulate by
chance in one part of a molecule or another, causing every-changing regions of
positive and negative charge that enable all atoms and molecules to stick to one
another, known as - ANSWER -Van der Waals interactions.
,Capacity to cause change is known as - ANSWER -energy
Example of potential energy? - ANSWER -Molecule of glucose.
In the case of H20, the oxygen atom covalently bonds unequally with 2 hydrogen
atoms. This is why H20 is considered a _______ molecule. - ANSWER -polar
Water molecules are capable of bonding with four neighboring water molecules
because - ANSWER -surrounding oxygen atoms are constantly bonding with other
surrounding hydrogen atoms, which are simultaneously bonded to another oxygen
atom.
What contributes to the transport of water up plants against gravity? - ANSWER -
Cohesion
Attraction between water and another substance (for example, between water and
plant cell wall) is known as - ANSWER -Adhesion
A spider walking on water is an example at water's high - ANSWER -surface
tension.
By absorbing heat from air that is warmer, and releasing stored heat to cooler air,
water is - ANSWER -moderating air temperature.
A liquid that is a completely homogeneous mixture of substances is a - ANSWER
-solution.
A dissolving agent of a solution is a - ANSWER -solvent.
The substance that is dissolved is the - ANSWER -solute
A substance that does not have an affinity for water is - ANSWER -hydrophobic.
A substance that does have an affinity for water is - ANSWER -hydrophilic.
, The method to describe how acidic or basic a solution is known as - ANSWER -
pH.
A substances that *reduces* hydrogen ion concentration of a solution is called as -
ANSWER -base.
A substance that *increases* the hydrogen ion concentration of a solution is a(n) -
ANSWER -acid.
The bicarbonate buffer system works since the seawater getting too acidic will
form bicarbonate, which is a base and while - ANSWER -help maintain pH
homeostasis.
All the organisms on your campus make up - ANSWER -a community
Which of the following is a correct sequence of levels in life's hierarchy,
proceeding downward from an individual animal? - ANSWER -nervous system,
brain, nervous tissue, nerve cell
Protists and bacteria are grouped into different domains because - ANSWER -
protists have a membrane-bounded nucleus.
A controlled experiment is one that - ANSWER -tests experimental and control
groups in a parallel.
Which of the following best demonstrates unity among all organisms? - ANSWER
-the structure and function of DNA
Which of the following statements correctly describes any chemical reaction that
has reached equilibrium? - ANSWER -The rates of the forward and reverse
reactions are equal.
The reactivity of an atom arises from - ANSWER -the existence of unpaired
electrons in the valence shell.
Exam Review Questions And Answers
Verified 100% Correct
Isotopes of an element are similar in the sense that they have the same - ANSWER
-number of protons.
Isotopes of an element differ in the sense that they have a different - ANSWER -
number of neutrons.
A sharing of a pair of valence electrons by two atoms is referred to as a -
ANSWER -covalent bond.
Atoms that have an *equal* sharing of a pair of valence electrons is called a -
ANSWER -nonpolar covalent bond.
Atoms that have an *unequal* sharing of a pair of valence electrons is called a -
ANSWER -polar covalent bond.
Energy that matter possess due to location or its structure is known as - ANSWER
-potential energy.
When a cation and anion are attracted to each other, this is known as a(n) -
ANSWER -ionic bond.
The attraction between a hydrogen covalently bonded to one electronegative atom
and another electronegative atom is called a - ANSWER -hydrogen bond
Electrons are not evenly distributed; at any instant, they may accumulate by
chance in one part of a molecule or another, causing every-changing regions of
positive and negative charge that enable all atoms and molecules to stick to one
another, known as - ANSWER -Van der Waals interactions.
,Capacity to cause change is known as - ANSWER -energy
Example of potential energy? - ANSWER -Molecule of glucose.
In the case of H20, the oxygen atom covalently bonds unequally with 2 hydrogen
atoms. This is why H20 is considered a _______ molecule. - ANSWER -polar
Water molecules are capable of bonding with four neighboring water molecules
because - ANSWER -surrounding oxygen atoms are constantly bonding with other
surrounding hydrogen atoms, which are simultaneously bonded to another oxygen
atom.
What contributes to the transport of water up plants against gravity? - ANSWER -
Cohesion
Attraction between water and another substance (for example, between water and
plant cell wall) is known as - ANSWER -Adhesion
A spider walking on water is an example at water's high - ANSWER -surface
tension.
By absorbing heat from air that is warmer, and releasing stored heat to cooler air,
water is - ANSWER -moderating air temperature.
A liquid that is a completely homogeneous mixture of substances is a - ANSWER
-solution.
A dissolving agent of a solution is a - ANSWER -solvent.
The substance that is dissolved is the - ANSWER -solute
A substance that does not have an affinity for water is - ANSWER -hydrophobic.
A substance that does have an affinity for water is - ANSWER -hydrophilic.
, The method to describe how acidic or basic a solution is known as - ANSWER -
pH.
A substances that *reduces* hydrogen ion concentration of a solution is called as -
ANSWER -base.
A substance that *increases* the hydrogen ion concentration of a solution is a(n) -
ANSWER -acid.
The bicarbonate buffer system works since the seawater getting too acidic will
form bicarbonate, which is a base and while - ANSWER -help maintain pH
homeostasis.
All the organisms on your campus make up - ANSWER -a community
Which of the following is a correct sequence of levels in life's hierarchy,
proceeding downward from an individual animal? - ANSWER -nervous system,
brain, nervous tissue, nerve cell
Protists and bacteria are grouped into different domains because - ANSWER -
protists have a membrane-bounded nucleus.
A controlled experiment is one that - ANSWER -tests experimental and control
groups in a parallel.
Which of the following best demonstrates unity among all organisms? - ANSWER
-the structure and function of DNA
Which of the following statements correctly describes any chemical reaction that
has reached equilibrium? - ANSWER -The rates of the forward and reverse
reactions are equal.
The reactivity of an atom arises from - ANSWER -the existence of unpaired
electrons in the valence shell.
