Question 1

Some proteins within a cell can be viewed with ________.

Accepted Answer

A)   the human eye
B)   an electron microscope
C)   a light microscope
D)   a magnifying glass
E)   a dissecting microscopeF) A) and E)
G) A) and D)

Question 2

Which of the following is not a function of junction proteins?

Accepted Answer

A)   to stitch cells together so that they do not move apart.
B)   to allow information to pass between adjacent cells.
C)   to stitch cells together so that they are bound into a functional organ.
D)   to permit cells to recognize one another.
E)   to allow cell-to-cell communication.F) None of the above
G) B) and C)

Question 3

_____ are bacterial structures involved in the passage of DNA into or out of the cell.

Accepted Answer

A)   Flagella
B)   Fimbriae
C)   Conjugation pili
D)   Cilia
E)   CapsuleF) B) and C)
G) C) and D)

Question 4

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) D) and E)
G) All of the above

Question 5

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 E)
G) B) and C)

Question 6

There is an antibiotic called streptomycin that doctors prescribe for infection. The antibiotic combines with the bacteria's ribosomes causing them to lose their function. Consequently the cell dies and so the person gets better! In other words, the antibiotic destroys bacteria by

Accepted Answer

A)   stopping photosynthesis.
B)   preventing them from packaging materials.
C)   stopping the production of ATP energy.
D)   not allowing them to produce proteins.
E)   stops them from being able to move.F) A) and B)
G) B) and D)

Question 7

What statement below is correct when comparing plant & animal cells?

Accepted Answer

A)   Plant cells have a cell wall and animal cells have a plasma membrane.
B)   Plant cells have a plasma membrane and animal cells have a cell wall.
C)   Both plant and animal cells have a plasma membrane and plant cells also have a cell wall.
D)   Both plant and animal cells have a plasma membrane and a cell wall.
E)   Both plant and animal cells have a cell wall but only animal cells have a plasma membrane.F) All of the above
G) A) and E)

Question 8

Surface to volume ratio is an important characteristic for cell function; some cells increase their ratio by

Accepted Answer

A)   developing finger-like projections.
B)   having multiple membranes surrounding them.
C)   growing extremely large to increase their surface area.
D)   using amoeboid movement to spread out farther.
E)   using phagocytosis to pull the membrane inward.F) A) and B)
G) D) and E) A

Question 9

Which of the following is not a type of intracellular protein?

Accepted Answer

A)   actin filaments
B)   myosin
C)   cellulose
D)   microtubules
E)   keratinF) C) and E)
G) B) and D)

Question 10

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 B)
G) B) and C)

Question 11

Which of the following organelles would form a membrane bound package also known as a vesicle?

Accepted Answer

A)   Golgi apparatus
B)   lysosomes
C)   mitochondria
D)   ribosomes
E)   chloroplastsF) All of the above
G) B) and E)

Question 12

Without tight junctions in certain tissues

Accepted Answer

A)   cells would not be able to communicate with each other.
B)   fluids may leak out past the barrier the junction would create.
C)   the tissues would not be able to expand and stretch without damage.
D)   nutrients would not be able to be passed from cell to cell.
E)   cells would not be able to migrate during their development.F) All of the above
G) A) and B)

Question 13

Without receptor proteins, a cell would not be able to

Accepted Answer

A)   transport water into the cytoplasm.
B)   bind to signal proteins from other parts of the body.
C)   allow the passage of H+ ions into the cell.
D)   perform metabolic reactions.
E)   divide.F) B) and D)
G) B) and E)

Question 14

The plasma membrane's hydrophilic part faces the outside of the cell and the cytoplasm.

Accepted Answer

A) True 
 B)False

Question 15

Resolving power is

Accepted Answer

A)   the ability to tell two points apart as separate points.
B)   the ability to make an object larger.
C)   the focusing mechanism used to bring objects clearly into view.
D)   the optimum power to most clearly view the entire specimen.
E)   the depth of the specimen clearly in focus.F) A) and D)
G) C) and D)

Question 16

The nuclear membrane differs from the plasma membrane in that the nuclear membrane is a single layer of phospholipids.

Accepted Answer

A) True 
 B)False

Question 17

Chromosomes are _____________.

Accepted Answer

A)   condensed vesicles
B)   expanded ribosomes
C)   expanded polysaccharides
D)   condensed chromatin
E)   cell recognition proteinsF) A) and B)
G) A) and C)

Question 18

Mitochondria & chloroplasts are similar in that they both ________; but are different in that mitochondria, but not chloroplasts, ______________.

Accepted Answer

A)   are involved in energy conversions; are found in all eukaryotic cells
B)   are found in bacteria; are used to capture radiant energy and convert it into chemical energy
C)   are organelles involved in the production of proteins; are found in animal cells
D)   produce glucose needed for cellular processes; are found in plant cells
E)   are responsible for cell movements; help to produce the microtubules seen in ciliaF) A) and B)
G) A) and E) A

Question 19

Cell size is limited because _____________ is critical to a cell's function.

Accepted Answer

A)   the number of microvilli
B)   the size of the nucleus
C)   cilia movement
D)   surface area to volume ratio
E)   ability to photosynthesizeF) C) and D)
G) None of the above

Question 20

What function does the nucleolus have?

Accepted Answer

A)   houses the chromatin
B)   prepares products for export from the cell
C)   contains enzymes for intracellular digestion
D)   contains the majority of cellular DNA
E)   codes for the synthesis of ribosomal RNAF) C) and D)
G) B) and D) E

Exam 4: Inside the Cell

Some proteins within a cell can be viewed with ________.

Correct AnswerverifiedShow Answer

Which of the following is not a function of junction proteins?

Correct AnswerverifiedShow Answer

_____ are bacterial structures involved in the passage of DNA into or out of the cell.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The main structural component of a plant cell wall is

Correct AnswerverifiedShow Answer

There is an antibiotic called streptomycin that doctors prescribe for infection. The antibiotic combines with the bacteria's ribosomes causing them to lose their function. Consequently the cell dies and so the person gets better! In other words, the antibiotic destroys bacteria by

Correct AnswerverifiedShow Answer

What statement below is correct when comparing plant & animal cells?

Correct AnswerverifiedShow Answer

Surface to volume ratio is an important characteristic for cell function; some cells increase their ratio by

Correct AnswerverifiedA

Which of the following is not a type of intracellular protein?

Correct AnswerverifiedShow Answer

Receptor proteins

Correct AnswerverifiedShow Answer

Which of the following organelles would form a membrane bound package also known as a vesicle?

Correct AnswerverifiedShow Answer

Without tight junctions in certain tissues

Correct AnswerverifiedShow Answer

Without receptor proteins, a cell would not be able to

Correct AnswerverifiedShow Answer

The plasma membrane's hydrophilic part faces the outside of the cell and the cytoplasm.

Correct AnswerverifiedShow Answer

Resolving power is

Correct AnswerverifiedShow Answer

The nuclear membrane differs from the plasma membrane in that the nuclear membrane is a single layer of phospholipids.

Correct AnswerverifiedShow Answer

Chromosomes are _____________.

Correct AnswerverifiedShow Answer

Mitochondria & chloroplasts are similar in that they both ________; but are different in that mitochondria, but not chloroplasts, ______________.

Correct AnswerverifiedA

Cell size is limited because _____________ is critical to a cell's function.

Correct AnswerverifiedShow Answer

What function does the nucleolus have?

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Mitochondria & chloroplasts are similar in that they both ; but are different in that mitochondria, but not chloroplasts, ______.

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