Question 1

The nucleus has 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) None of the above
G) C) and E)

Question 2

Chromosomes are made from

Accepted Answer

A)   condensed vesicles.
B)   expanded ribosomes.
C)   expanded polysaccharides.
D)   condensed chromatin.
E)   cell recognition proteins.F) All of the above
G) A) and B)

Question 3

Which of the following organelles lacks a membrane?

Accepted Answer

A)   nucleus
B)   chloroplast
C)   mitochondrion
D)   lysosomes
E)   ribosomesF) A) and B)
G) B) and E)

Question 4

Since the plasma membrane blocks the passage of all but a few molecules with specific traits, it is necessary for other molecules to

Accepted Answer

A)   pass through the membrane via pores made of carbohydrates.
B)   be broken down into their constituent atoms to move through the membrane.
C)   be converted into other types of molecules so that they meet the specific traits necessary.
D)   pass through the membrane via nucleic acids.
E)   pass through the membrane via proteins.F) B) and E)
G) C) and D)

Question 5

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 microscope.F) B) and C)
G) C) and D)

Question 6

The cell walls of bacterial cells and plant cells 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 C)

Question 7

Plant cells have walls but do not have plasma membranes.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following structures would not be found only in a eukaryoticcell?

Accepted Answer

A)   cell membrane
B)   nucleus
C)   ribosomes
D)   flagella
E)   chromosomesF) B) and D)
G) A) and B)

Question 9

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) B) and C)

Question 10

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)   Golgi apparatusF) B) and C)
G) A) and B)

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) A) and B)
G) C) and E)

Question 12

Which organelle modifies the contents within vesicles and then repackages them for export?

Accepted Answer

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

Question 13

A prokaryotic cell

Accepted Answer

A)   lacks 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) C) and D)
G) None of the above

Question 14

A cell being observed under a microscope has a cell wall, plasma membrane, ribosomes, and chromosomal material that is not found in a nucleus. Based on this information, the cell could be a

Accepted Answer

A)   cell from a cactus.
B)   cell from a mushroom.
C)   bacterial cell.
D)   cell from a fish.
E)   cell from a paramecium.F) B) and D)
G) A) and D)

Question 15

The hydrophilic parts of the plasma membrane are oriented towards both the outside of the cell and the cytoplasm.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A)   Golgi apparatus - protein synthesis
B)   mitochondrion - cellular respiration
C)   lysosome - transport
D)   vacuole - control center
E)   endoplasmic reticulum - houses DNAF) A) and E)
G) None of the above

Question 17

Which of the following is involved in the breakdown of damaged organelles?

Accepted Answer

A)   smooth endoplasmic reticulum
B)   lysosome
C)   ribosome
D)   rough endoplasmic reticulum
E)   peroxisomeF) A) and E)
G) B) and E)

Question 18

Which of the following is a correct match?

Accepted Answer

A)   ribosomes - lipid synthesis
B)   Golgi apparatus - production of cellular ATP
C)   mitochondria - protein alteration and packaging
D)   lysosomes - cellular digestion
E)   smooth endoplasmic reticulum - storage of waterF) C) and E)
G) A) and E)

Question 19

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) None of the above
G) All of the above

Question 20

Mitochondria andchloroplasts 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 nearly 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) C) and E)
G) B) and D)

Exam 4: Inside the Cell

The nucleus has 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

The cell walls of bacterial cells and plant cells function in

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Chromosomes are made from

Correct AnswerverifiedShow Answer

A prokaryotic cell

Correct AnswerverifiedShow Answer

A cell being observed under a microscope has a cell wall, plasma membrane, ribosomes, and chromosomal material that is not found in a nucleus. Based on this information, the cell could be a

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which organelle modifies the contents within vesicles and then repackages them for export?

Correct AnswerverifiedShow Answer

Some proteins within a cell can be viewed with

Correct AnswerverifiedShow Answer

Which of the following structures would not be found only in a eukaryoticcell?

Correct AnswerverifiedShow Answer

Which of the following is a correct match?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Since the plasma membrane blocks the passage of all but a few molecules with specific traits, it is necessary for other molecules to

Correct AnswerverifiedShow Answer

Which of the following is involved in the breakdown of damaged organelles?

Correct AnswerverifiedShow Answer

The hydrophilic parts of the plasma membrane are oriented towards both the outside of the cell and the cytoplasm.

Correct AnswerverifiedShow Answer

Mitochondria andchloroplasts are similar in that they both ________,but are different in that mitochondria, but not chloroplasts, ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Plant cells have walls but do not have plasma membranes.

Correct AnswerverifiedShow Answer

Which of the following organelles lacks a membrane?

Correct AnswerverifiedShow Answer

Which feature is found in all cells?

Correct AnswerverifiedShow Answer

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Mitochondria andchloroplasts are similar in that they both ,but are different in that mitochondria, but not chloroplasts, .

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