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Terms in this set (38)
Cell theory was first proposed in 1838. Evidence obtained through additional scientific
investigations resulted in the current cell theory. Which statement describes a component of the
original cell theory that was removed because of the new scientific knowledge?
A. All living things are made of cells.
B. All cells come from other preexisting cells.
C. Cells form through spontaneous generation.
D. Cells are the basic structural and functional units of life.
Which invention from the 17th century allowed for the development of modern cell theory?
C. the light microscope
D. the scanning electron microscope
A plant and an animal are both living things. According to the Cell Theory, what can you conclude
about these two very different organisms?
A. Plants have cells but animals do not.
B. They are both made of one or more cells.
C. They both come from the same kind of cell.
D. They both come from a non-living organism.
The combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow
resulted in the formation of the cell theory. Which of the following is not part of the cell theory?
A. All cells contain a nucleus.
B. All cells come from other living cells.
C. All living organisms are made of one or more cells.
D. Cells are the basic unit of structure and function of all living things
There are some similarities between prokaryotic and eukaryotic cells. Which of the following
structures is found in both prokaryotic and eukaryotic cells?
Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from
a low concentration to a high concentration. Which of the following best describes the type of transport across the cell membrane?
A. active transport
B. passive transport
C. facilitated diffusion
Which type(s) of cells have genetic material that is contained in a nucleus?
B. plants only
C. animals only
D. both plant and animal cells
Which characteristic do most plants have in common?
A. they are unicellular
B. they are prokaryotic
C. they produce seeds
D. they are autotrophic
Which cell structure is correctly paired with its primary function?
A. ribosome - protein synthesis
B. mitochondrion - movement
C. vacuole - cell division
D. nucleus - storage of nutrients
A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases.
Which of the following has occurred?
A. The swollen gums have absorbed the saltwater solution.
B. The saltwater solution lowers the temperature of the water in the gums.
C. The salt in the solution has moved against the concentration gradient.
D. The water in the gums has moved out due to the high concentration of salt in the solution.
Joy took the notes shown below while learning about cells. Forms boundary between a cell and the outside environment
• Controls the movement of materials into and out of the cell
• Consists of double layer of phospholipids
She forgot to write the name of the cell structure that her class was studying that day. What structure
is described in her notes?
A. endoplasmic reticulum
B. cell membrane
C. cell wall
The cell membrane controls movement of materials into and out of the cell.
The following particles are moving from high concentration to low concentration and are using a
carrier protein. How would you describe this type of movement across the membrane?
A. simple osmosis
B. active transport
C. simple diffusion
D. facilitated diffusion
The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass
through. Because other substances are blocked from entering, this membrane is called:
Osmosis occurs when there is a different concentration of solute molecules
on each side of the membrane. The drawing below shows a beaker containing a 30% salt solution and a suspended cell containing a 10% salt solution. What statement best describes the cell after 20 minutes?
A. Water will move from the cell into the beaker, resulting in a smaller cell.
B. Water will move from the beaker into the cell, resulting in a larger cell.
C. Salt will move from the cell into the beaker, resulting in a smaller cell.
D. Salt will move from the beaker into the cell, resulting in a larger cell.
Muscle cells are responsible for obtaining energy so the body can perform
voluntary and involuntary movement. Using you knowledge about
organelles and muscles, how would a muscle cell differ from other types of
A. The muscle cell would have larger centrioles than the other types of animal cells.
B. The muscle cell would have more mitochondria than the other types of animal cells.
C. The muscle cell would have a larger golgi apparatus than other types of animal cells.
D. The muscle cell would have more endoplasmic reticulum than the other types of animal
Cells found in plants and animals have similarities but can differ in function. Consider the
following two organisms: a corn plant cell (Zea mays) and a camel cell (Bactrianus ferus). What is the
best explanation for the difference in the cellular vacuole size between these two biotic
A. The corn cells' have a small vacuole size because it does not need long term water and
B. The camel cells' have a small vacuole size because it does not need long term water and
C. The camel cells' have a small vacuole size because it is not in contact with toxins that need
to be removed from the cell.
D. The corn cells' have a large vacuole size because it is in contact with many toxins in the soil
which need to be removed from the cell.
Cells can be classified into two different categories: prokaryotic and eukaryotic. Which of the
following information is needed in order to determine if an organism is prokaryotic?
A. The organism's color and mass.
B. The organism's internal structures.
C. If the organism is unicellular or multicellular.
D. The methods the organism uses to feed and move.
A specific type of cell is being studied by a scientist. She notices the cell contains a nucleus,
lysosomes, a cell membrane and cell wall. What is the correct classification of this cell?
A. A prokaryotic animal cell
B. A prokaryotic plant cell
C. A eukaryotic animal cell
D. A eukaryotic plant cell
Using a microscope in the science lab, Jill observed two unknown cells: Cell 1 and Cell 2. Cell 1
she identified as a plant cell and Cell 2 as an animal cell. Her teacher told her she identified the cells
correctly. What did Jill most likely observe to correctly identify the cells?
A. Cell 2 had a cell membrane and Cell 1 did not.
B. Cell 1 had a cell wall and Cell 2 did not.
C. Cell 2 had a chloroplast and Cell 1 did not.
D. Cell 1 had a nucleus and Cell 2 did not.
Which of the following contain complex, membrane-bound organelles?
A. 1 and 2
B. 2 and 4
C. 3 only
D. 4 only
What is the name of the macromolecule that makes up the majority of the cell membrane?
What is the advantage of cells being so small?
A. Small cells contain a greater quantity of enzymes than large cells.
B. Small cells do not require energy and get everything they need from osmosis.
C. The cell has a smaller surface area to volume ratio which means it can move nutrients into
the cell and waste out more efficiently.
D. The cell then has a larger surface area to volume ratio which means it can move nutrients
into the cell and waste out more efficiently.
The rough endoplasmic reticulum is a cell structure that consists of folded membranes that
contain ribosomes. What is the advantage of the folded membranes?
A. increases surface area in order to produce more proteins
B. decreases surface area in order to produce more proteins
C. increases volume of the edoplasmic reticulum in order to produce more energy
D. decreases volume of the endoplasmic reticulum in order to make more energy
If a cell's lysosomes were damaged, which of the following would most likely occur?
A. The cell would produce more proteins than it needs.
B. The cell would have chloroplasts that appear yellow rather than green.
C. The cell would be less able to break down molecules in its cytoplasm.
D. The cell would be less able to regulate the amount of fluid in its cytoplasm.
When Streptococcus pneumoniae are exposed to an antibiotic, the bacteria try to pump the
antibiotic out of their cells. Which of the following mechanisms is most likely used by the
Streptococcus pneumoniae to pump the antibiotic out of their cells?
A. active transport
C. facilitated diffusion
In pure water, a red blood cell from an animal will swell and burst, but a leaf cell from a plant will
not. Which structure in the leaf cell is responsible for this difference?
A. cell membrane
B. cell wall
Which of the following functions does active transport perform in a cell?
A. packaging proteins for export from the cell
B. distributing enzymes throughout the cytoplasm
C. moving substances against a concentration gradient
D. equalizing the concentration of water inside and outside the cell
Carrot sticks that are left in a dish of freshwater for several hours become stiff and hard. Similar
sticks left in a saltwater solution become limp and soft. From this we can deduce that the freshwater
is ______ and the saltwater is ________ to the cells of the carrot sticks.
A. hypotonic, hypertonic
B. hypotonic, hypotonic
C. hypertonic, hypotonic
D. hypertonic, hypertonic
In an emergency trauma room, a doctor accidentally gives a patient a large transfusion of distilled
water directly into one of his veins instead of blood. Predict what might happen if distilled water was
given to the patient instead of blood.
A. have no unfavorable effect as long as the water was sterile
B. have serious, perhaps fatal effects because there would be too much fluid for the heart to
C. have serious, perhaps fatal effects because the red blood cells would tend to shrivel
D. have serious, perhaps fatal effects because the red blood cells would tend to burst
A beaker is divided into two halves, A & B, by a membrane that is freely permeable to the water
and NaCl but not to protein. Side A is half-filled with a solution of 8% protein, while side B is half filled
with a 2% protein solution. Predict what would happen to side A after a few hours.
A. The number of protein molecules has increased.
B. The number of water molecules has decreased.
C. The number of water molecules has increased.
D. The percentage of water has decreased.
An osmosis investigation was conducted using chicken eggs to represent cells with semi
permeable membranes. The mass of each egg was measured to determine how much water diffused
into or out of the eggs. The eggs were first soaked in vinegar to dissolve the shell. Each egg was then
placed in one of three different solutions for 24 hours. The table below shows the results of the
investigation. Based on this experiment, which of the following should be inferred about cells with semi permeable membranes?
A. Substances other than water may also cross the cell membrane.
B. Substances other than water may block pores in the cell membrane.
C. Water enters the cell when placed in environments of high water concentration.
D. Water leaves the cell when placed in environments with a low concentration of solutes
A Team of biology students performed an experiment to test the effects of
four different solutions on a de-shelled, raw chicken egg. Each raw,
unbroken chicken egg of the same size was placed in each of four different
solutions. Twenty-four hours later the following results we obtained. Using the data table above and your knowledge about the process of science,
which solution would represent the control in this experiment?
A. Solution A
B. Solution B
C. Solution C
D. Solution D
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