Question 1

Which structures determine the flexibility of the extracellular matrix?

Accepted Answer

A)   proteins
B)   lipids
C)   carbohydrates
D)   phospholipids
E)   nucleic acidsF) A) and E)
G) A) and B)

Question 2

Identify the organelle - function pairing that is INCORRECT.

Accepted Answer

A)   flagella - long, tail like structure used in motility of some cells
B)   ribosomes - capable of producing proteins for the cell
C)   plasma membrane - provides strength to plant cell walls
D)   lysosomes - contain digestive enzymes that can digest molecules or cellular components
E)   nucleus - houses the DNA used for controlling all cell functionF) A) and D)
G) None of the above

Question 3

Which of the following is NOT a function of the endomembrane system?

Accepted Answer

A)   prepares molecules for export from the cell
B)   provides a place for produced cellular materials to be refined
C)   manufactures molecules
D)   acts as the control center of the cell
E)   assists in moving materials from one part of the cell to anotherF) None of the above
G) C) and E)

Question 4

Where do the vesicles that are being made for secretion from the cell become modified and packaged?

Accepted Answer

A)   smooth ER
B)   rough ER
C)   Golgi apparatus
D)   ribosomes
E)   plasma membraneF) All of the above
G) A) and B)

Question 5

Which of the following structures would NOT be seen in a prokaryotic cell?

Accepted Answer

A)   cell membrane
B)   nucleus
C)   ribosomes
D)   flagella
E)   chromosomesF) All of the above
G) A) and D)

Question 6

The nucleus is a double membrane that encloses the DNA.Inside the nucleus the DNA acts as the template to produce mRNA and ribosomes; to exit the nucleus these molecules must

Accepted Answer

A)   diffuse through the double membrane into the cytoplasm.
B)   pass through carrier proteins which use ATP to transport the molecules.
C)   attach to carrier molecules that carry them through the membrane.
D)   pass through pores that span both membranes.
E)   be transported across the two membranes by means of vesicles.F) B) and D)
G) A) and B)

Question 7

Which of the following is NOT a possible function of the extracellular matrix in animal cells?

Accepted Answer

A)   enables cells to migrate along intracellular fibers
B)   permit communication between the extracellular matrix and the cells
C)   creates a variety of consistencies for cells to live in from flexible cartilage to solid bone
D)   helps cells have flexibility
E)   produce numerous channels for continuous flow of water from cells to cells.F) A) and C)
G) C) and D)

Question 8

Which is the most common type of intercellular junction between cells of the bladder?

Accepted Answer

A)   adhesion junctions
B)   gap junctions
C)   tight junctions
D)   plasmodesmata
E)   None of these are found between cells of the bladder.F) B) and C)
G) A) and E)

Question 9

Plant cells have walls but do not have plasma membranes.

Accepted Answer

A) True 
 B)False

Question 10

What does the folding of the mitochondrial inner membrane shown here provide?

Accepted Answer

A)   greater ability to allow for osmosis
B)   increased surface area for photosynthesis
C)   greater ability to remove waste from the cell cytosol
D)   greater surface area for ATP production
E)   increased space for protein synthesisF) A) and B)
G) A) and E)

Question 11

Eukaryotic cells have DNA enclosed in a double membrane called the nucleus.The nucleus functions to

Accepted Answer

A)   separate the DNA from other activities that occur in the cytoplasm.
B)   prevent the DNA from influencing the activities in the cytoplasm.
C)   prevent materials associated with the DNA from coming into contact with the cell's cytoplasm.
D)   separate the DNA and mRNA from the cytoplasm.
E)   separate the DNA from the RNA.F) A) and C)
G) A) and E)

Question 12

In bacterial cells and plant cells,cell walls function in

Accepted Answer

A)   moving organelles throughout the cell.
B)   maintaining cell shape.
C)   producing the cytoskeleton.
D)   containing DNA.
E)   modifying lipids and proteins.F) A) and B)
G) A) and E)

Question 13

The main structural component of a plant cell wall is

Accepted Answer

A)   cytoskeleton.
B)   cellulose.
C)   extracellular matrix.
D)   plasmodesmata.
E)   middle lamella.F) B) and D)
G) B) and C)

Question 14

Receptor proteins

Accepted Answer

A)   receive incoming nutrients and store them until they are needed by the cell.
B)   only function in very specific cell types that receive sensory information.
C)   transmit information from outside the cell so that the cell can respond to stimuli.
D)   are found embedded in the nuclear membrane so transmit information on how to make a protein from the DNA to the cell's cytoplasm.
E)   receive large molecules and transmit them through the membrane.F) A) and C)
G) C) and D)

Question 15

A prokaryotic cell

Accepted Answer

A)   has no DNA.
B)   does not have a membrane-bound nucleus.
C)   does not have ribosomes.
D)   does not have cytoplasm.
E)   is typically larger than a eukaryotic cell.F) A) and B)
G) All of the above

Question 16

The glycoproteins found in the plasma membrane function in what capacity?

Accepted Answer

A)   to transport molecules across the membrane
B)   to allow one cell to recognize another of the same type or from the same body
C)   to attach to the exoskeleton on the interior of the cell and maintain the cell in a position relative to other cells
D)   to maintain the membrane's fluidity
E)   to catalyze reactions that are crucial to the cell's functioningF) B) and E)
G) None of the above

Question 17

Eukaryotic cells move their organelles via

Accepted Answer

A)   the cytoskeleton.
B)   the endomembrane system.
C)   cilia.
D)   the plasma membrane.
E)   flagella.F) A) and E)
G) None of the above

Question 18

Which of the following would be able to pass freely through a plasma membrane?

Accepted Answer

A)   H2O
B)   C6H12O6
C)   CO2
D)   NaOH
E)   C10H13N5O4F) A) and D)
G) B) and D)

Question 19

Which feature is found in all cells?

Accepted Answer

A)   plasma membrane composed of phospholipids
B)   nucleus containing DNA
C)   cell wall composed of cellulose
D)   flagella
E)   nucleoid region that contains DNAF) C) and D)
G) A) and D)

Question 20

Which of the following is a CORRECT matching of an organelle and its function?

Accepted Answer

A)   Golgi apparatus - protein synthesis
B)   mitochondrion - cell respiration
C)   lysosome - transport
D)   vacuole - control center
E)   endoplasmic reticulum - houses DNAF) A) and B)
G) A) and C)

Exam 4: Inside the Cell

Receptor proteins

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Which of the following is NOT a possible function of the extracellular matrix in animal cells?

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What does the folding of the mitochondrial inner membrane shown here provide?

Correct AnswerverifiedShow Answer

A prokaryotic cell

Correct AnswerverifiedShow Answer

Which structures determine the flexibility of the extracellular matrix?

Correct AnswerverifiedShow Answer

Plant cells have walls but do not have plasma membranes.

Correct AnswerverifiedShow Answer

Identify the organelle - function pairing that is INCORRECT.

Correct AnswerverifiedShow Answer

Where do the vesicles that are being made for secretion from the cell become modified and packaged?

Correct AnswerverifiedShow Answer

Which of the following structures would NOT be seen in a prokaryotic cell?

Correct AnswerverifiedShow Answer

Which of the following is a CORRECT matching of an organelle and its function?

Correct AnswerverifiedShow Answer

Eukaryotic cells have DNA enclosed in a double membrane called the nucleus.The nucleus functions to

Correct AnswerverifiedShow Answer

Eukaryotic cells move their organelles via

Correct AnswerverifiedShow Answer

Which is the most common type of intercellular junction between cells of the bladder?

Correct AnswerverifiedShow Answer

The nucleus is a double membrane that encloses the DNA.Inside the nucleus the DNA acts as the template to produce mRNA and ribosomes; to exit the nucleus these molecules must

Correct AnswerverifiedShow Answer

Which feature is found in all cells?

Correct AnswerverifiedShow Answer

The glycoproteins found in the plasma membrane function in what capacity?

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of the endomembrane system?

Correct AnswerverifiedShow Answer

Which of the following would be able to pass freely through a plasma membrane?

Correct AnswerverifiedShow Answer

In bacterial cells and plant cells,cell walls function in

Correct AnswerverifiedShow Answer

The main structural component of a plant cell wall is

Correct AnswerverifiedShow Answer

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