RIO BIO 156 Midterm Review / Rio Bio 156 Exam 1
RIO BIO 156 MIDTERM REVIEW / RIO BIO 156 EXAM 1 NEWEST
ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION!!
Your instructor asks you to look into your microscope to see a prokaryotic cell. You
will be looking for a cell that - Correct Answer-has a membrane, but no nucleus.
Which of the following statements about radioactive isotopes is/are true? -
Correct Answer-The energy emitted by radioactive isotopes can break chemical
bonds and cause molecular damage in cells.
The smallest unit of an element is - Correct Answer-an atom.
In conducting a proper scientific experiment, which of the following would you
not do? - Correct Answer-Change the data that you collect so that it matches how
you thought the experiment would come out.
A(n) __________ forms when two atoms share electrons. - Correct Answer-
covalent bond
The term biodiversity refers to - Correct Answer-the tremendous variety of life all
around us on Earth.
In plants, the transport of water from roots to leaves against the force of gravity is
possible due to this property of water: - Correct Answer-Cohesion.
1|Page
, RIO BIO 156 Midterm Review / Rio Bio 156 Exam 1
The ability of water molecules to form hydrogen bonds with other water
molecules is critical to - Correct Answer--evaporative cooling of skin surfaces
-the movement of water from the roots of a tree to its leaves.
-the milder temperatures of coastal regions compared to inland areas.
-the ability of certain insects to walk on the surface of water
As ice melts, - Correct Answer-hydrogen bonds are broken
A solute is - Correct Answer-the substance that is dissolved in solution.
Compared to a solution of pH3, a solution of pH1 is - Correct Answer-100 times
more acidic.
Carbon is able to form an immense diversity of organic molecules because of
carbon's - Correct Answer--tendency to form covalent bonds.
-ability to bond with up to four other atoms.
-capacity to form single and double bonds.
-ability to bond together to form extensive, branched, or unbranched carbon
skeletons
Many names for sugars end in the suffix - Correct Answer--ose
2|Page
, RIO BIO 156 Midterm Review / Rio Bio 156 Exam 1
Which one of the following lists contains only polysaccharides? - Correct Answer-
cellulose, starch, and glycogen
A diet high in animal products may increase the risk for atherosclerosis. This is
because - Correct Answer-most animal fats are saturated and some animal
products contain trans fats.
Life is organized in a hierarchical fashion. Which one of the following sequences
illustrates that hierarchy as it increases in complexity? - Correct Answer-molecule
→ cell → tissue → organ → organ system → organism → population →
community → ecosystem
The tree in your backyard is home to two cardinals, a colony of ants, a wasp's nest
(a colony of wasps), two squirrels, and millions of bacteria. Together, all of these
organisms represent - Correct Answer-a community
The ultimate source of energy flowing into nearly all ecosystems is - Correct
Answer-sunlight
A consumer eating a producer represents - Correct Answer-a transfer of chemical
nutrients and energy
The formation of systems typically results in the appearance of novel
characteristics called - Correct Answer-emergent properties
A scientist examining a group of cells under the microscope notices the presence
of nuclei within these cells. Chemical tests reveal that each cell is photosynthetic
3|Page
, RIO BIO 156 Midterm Review / Rio Bio 156 Exam 1
and is surrounded by a wall composed of cellulose. These cells must come from an
organism that is a member of the Kingdom - Correct Answer-Plantae
Which one of the following statements is not consistent with Darwin's mechanism
of natural selection? - Correct Answer-Individual organisms exhibit genetic change
during their life spans to better fit their environment
A hypothesis is - Correct Answer-a tentative answer to some question.
A scientist performs a controlled experiment. This means that - Correct Answer-
two experiments are conducted, one differing from the other by only a single
variable.
The nucleus of an atom contains - Correct Answer-protons and neutrons
Sucrose is formed - Correct Answer-from two monosaccharides by dehydration
synthesis
DNA differs from RNA because DNA - Correct Answer-contains thymine in place of
uracil
Glucose molecules are to starch as __________ are to proteins. - Correct Answer-
amino acids
Nucleotides - Correct Answer--contain nitrogenous bases.
4|Page
RIO BIO 156 MIDTERM REVIEW / RIO BIO 156 EXAM 1 NEWEST
ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION!!
Your instructor asks you to look into your microscope to see a prokaryotic cell. You
will be looking for a cell that - Correct Answer-has a membrane, but no nucleus.
Which of the following statements about radioactive isotopes is/are true? -
Correct Answer-The energy emitted by radioactive isotopes can break chemical
bonds and cause molecular damage in cells.
The smallest unit of an element is - Correct Answer-an atom.
In conducting a proper scientific experiment, which of the following would you
not do? - Correct Answer-Change the data that you collect so that it matches how
you thought the experiment would come out.
A(n) __________ forms when two atoms share electrons. - Correct Answer-
covalent bond
The term biodiversity refers to - Correct Answer-the tremendous variety of life all
around us on Earth.
In plants, the transport of water from roots to leaves against the force of gravity is
possible due to this property of water: - Correct Answer-Cohesion.
1|Page
, RIO BIO 156 Midterm Review / Rio Bio 156 Exam 1
The ability of water molecules to form hydrogen bonds with other water
molecules is critical to - Correct Answer--evaporative cooling of skin surfaces
-the movement of water from the roots of a tree to its leaves.
-the milder temperatures of coastal regions compared to inland areas.
-the ability of certain insects to walk on the surface of water
As ice melts, - Correct Answer-hydrogen bonds are broken
A solute is - Correct Answer-the substance that is dissolved in solution.
Compared to a solution of pH3, a solution of pH1 is - Correct Answer-100 times
more acidic.
Carbon is able to form an immense diversity of organic molecules because of
carbon's - Correct Answer--tendency to form covalent bonds.
-ability to bond with up to four other atoms.
-capacity to form single and double bonds.
-ability to bond together to form extensive, branched, or unbranched carbon
skeletons
Many names for sugars end in the suffix - Correct Answer--ose
2|Page
, RIO BIO 156 Midterm Review / Rio Bio 156 Exam 1
Which one of the following lists contains only polysaccharides? - Correct Answer-
cellulose, starch, and glycogen
A diet high in animal products may increase the risk for atherosclerosis. This is
because - Correct Answer-most animal fats are saturated and some animal
products contain trans fats.
Life is organized in a hierarchical fashion. Which one of the following sequences
illustrates that hierarchy as it increases in complexity? - Correct Answer-molecule
→ cell → tissue → organ → organ system → organism → population →
community → ecosystem
The tree in your backyard is home to two cardinals, a colony of ants, a wasp's nest
(a colony of wasps), two squirrels, and millions of bacteria. Together, all of these
organisms represent - Correct Answer-a community
The ultimate source of energy flowing into nearly all ecosystems is - Correct
Answer-sunlight
A consumer eating a producer represents - Correct Answer-a transfer of chemical
nutrients and energy
The formation of systems typically results in the appearance of novel
characteristics called - Correct Answer-emergent properties
A scientist examining a group of cells under the microscope notices the presence
of nuclei within these cells. Chemical tests reveal that each cell is photosynthetic
3|Page
, RIO BIO 156 Midterm Review / Rio Bio 156 Exam 1
and is surrounded by a wall composed of cellulose. These cells must come from an
organism that is a member of the Kingdom - Correct Answer-Plantae
Which one of the following statements is not consistent with Darwin's mechanism
of natural selection? - Correct Answer-Individual organisms exhibit genetic change
during their life spans to better fit their environment
A hypothesis is - Correct Answer-a tentative answer to some question.
A scientist performs a controlled experiment. This means that - Correct Answer-
two experiments are conducted, one differing from the other by only a single
variable.
The nucleus of an atom contains - Correct Answer-protons and neutrons
Sucrose is formed - Correct Answer-from two monosaccharides by dehydration
synthesis
DNA differs from RNA because DNA - Correct Answer-contains thymine in place of
uracil
Glucose molecules are to starch as __________ are to proteins. - Correct Answer-
amino acids
Nucleotides - Correct Answer--contain nitrogenous bases.
4|Page
