Seminole State Campell Biology Final Exam Review Complete Questions And
Correct Detailed Answers (Verified Answers) |Already Graded A+
What is positive feedback? - (Correct Answer)-An end product speeds up its own production.
What is negative feedback? - (Correct Answer)-Accumulation of the end product slows its
production.
What is an example of positive feedback? - (Correct Answer)-The increasing labor contractions
of childbirth before delivery.
Which of these is reflective of the hierarchical organization of life from most to least inclusive? -
(Correct Answer)-kingdom, phylum, class, order, family, genus, species
A controlled experiment is one in where - (Correct Answer)-there are at least two groups, one of
which does not receive the experimental treatment.
A substance that cannot be broken down into other substances by ordinary chemical procedures
is a(n) - (Correct Answer)-element.
A substance that consists of two or more substances in a fixed ratio is a - (Correct Answer)-
compound.
Which of the following subatomic particles always has a positive charge? - (Correct Answer)-
proton
Which statement is true of all atoms that are anions? - (Correct Answer)-The atom has more
electrons than protons.
Subatomic particles that have no electrical charge and are located in the atomic nucleus are -
(Correct Answer)-neutrons
, 2
Two atoms of an element that differ in number of neutrons are - (Correct Answer)-isotopes.
Isotopes of an element are similar in the sense that they have the same - (Correct Answer)-
number of protons.
Isotopes of an element differ in the sense that they have a different - (Correct Answer)-number of
neutrons.
A sharing of a pair of valence electrons by two atoms is referred to as a - (Correct Answer)-
covalent bond.
Atoms that have an *equal* sharing of a pair of valence electrons is called a - (Correct Answer)-
nonpolar covalent bond.
Atoms that have an *unequal* sharing of a pair of valence electrons is called a - (Correct
Answer)-polar covalent bond.
Energy that matter possess due to location or its structure is known as - (Correct Answer)-
potential energy.
When a cation and anion are attracted to each other, this is known as a(n) - (Correct Answer)-
ionic bond.
The attraction between a hydrogen covalently bonded to one electronegative atom and another
electronegative atom is called a - (Correct 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 - (Correct Answer)-Van der
Waals interactions.
, 3
Capacity to cause change is known as - (Correct Answer)-energy
Example of potential energy? - (Correct 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. - (Correct Answer)-polar
Water molecules are capable of bonding with four neighboring water molecules because -
(Correct 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? - (Correct Answer)-
Cohesion
Attraction between water and another substance (for example, between water and plant cell wall)
is known as - (Correct Answer)-Adhesion
A spider walking on water is an example at water's high - (Correct Answer)-surface tension.
By absorbing heat from air that is warmer, and releasing stored heat to cooler air, water is -
(Correct Answer)-moderating air temperature.
A liquid that is a completely homogeneous mixture of substances is a - (Correct Answer)-
solution.
A dissolving agent of a solution is a - (Correct Answer)-solvent.
The substance that is dissolved is the - (Correct Answer)-solute
Correct Detailed Answers (Verified Answers) |Already Graded A+
What is positive feedback? - (Correct Answer)-An end product speeds up its own production.
What is negative feedback? - (Correct Answer)-Accumulation of the end product slows its
production.
What is an example of positive feedback? - (Correct Answer)-The increasing labor contractions
of childbirth before delivery.
Which of these is reflective of the hierarchical organization of life from most to least inclusive? -
(Correct Answer)-kingdom, phylum, class, order, family, genus, species
A controlled experiment is one in where - (Correct Answer)-there are at least two groups, one of
which does not receive the experimental treatment.
A substance that cannot be broken down into other substances by ordinary chemical procedures
is a(n) - (Correct Answer)-element.
A substance that consists of two or more substances in a fixed ratio is a - (Correct Answer)-
compound.
Which of the following subatomic particles always has a positive charge? - (Correct Answer)-
proton
Which statement is true of all atoms that are anions? - (Correct Answer)-The atom has more
electrons than protons.
Subatomic particles that have no electrical charge and are located in the atomic nucleus are -
(Correct Answer)-neutrons
, 2
Two atoms of an element that differ in number of neutrons are - (Correct Answer)-isotopes.
Isotopes of an element are similar in the sense that they have the same - (Correct Answer)-
number of protons.
Isotopes of an element differ in the sense that they have a different - (Correct Answer)-number of
neutrons.
A sharing of a pair of valence electrons by two atoms is referred to as a - (Correct Answer)-
covalent bond.
Atoms that have an *equal* sharing of a pair of valence electrons is called a - (Correct Answer)-
nonpolar covalent bond.
Atoms that have an *unequal* sharing of a pair of valence electrons is called a - (Correct
Answer)-polar covalent bond.
Energy that matter possess due to location or its structure is known as - (Correct Answer)-
potential energy.
When a cation and anion are attracted to each other, this is known as a(n) - (Correct Answer)-
ionic bond.
The attraction between a hydrogen covalently bonded to one electronegative atom and another
electronegative atom is called a - (Correct 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 - (Correct Answer)-Van der
Waals interactions.
, 3
Capacity to cause change is known as - (Correct Answer)-energy
Example of potential energy? - (Correct 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. - (Correct Answer)-polar
Water molecules are capable of bonding with four neighboring water molecules because -
(Correct 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? - (Correct Answer)-
Cohesion
Attraction between water and another substance (for example, between water and plant cell wall)
is known as - (Correct Answer)-Adhesion
A spider walking on water is an example at water's high - (Correct Answer)-surface tension.
By absorbing heat from air that is warmer, and releasing stored heat to cooler air, water is -
(Correct Answer)-moderating air temperature.
A liquid that is a completely homogeneous mixture of substances is a - (Correct Answer)-
solution.
A dissolving agent of a solution is a - (Correct Answer)-solvent.
The substance that is dissolved is the - (Correct Answer)-solute
