Question 1

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

Question 2

What must materials pass through to enter or leave a cell?

Accepted Answer

A)   ribosome
B)   nucleus
C)   plasma membrane
D)   lysosome
E)   vacuoleF) None of the above
G) A) and D)

Question 3

Carrie would like to observe the cilia on the surface of a live paramecium- a single-celled organism. The best device to do this would be a

Accepted Answer

A)   light microscope.
B)   electron microscope.
C)   magnifying glass.
D)   unaided eye.
E)   dissecting microscope.F) A) and B)
G) B) and C)

Question 4

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) D) and E)
G) C) and E)

Question 5

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 cells die and 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)   stopping them from being able to move.F) B) and E)
G) A) and C)

Question 6

Eukaryotic cells move their organelles using

Accepted Answer

A)   the cytoskeleton.
B)   the endomembrane system.
C)   cilia.
D)   the plasma membrane.
E)   flagella.F) B) and C)
G) D) and E)

Question 7

Resolving power is the

Accepted Answer

A)   ability to tell two points apart as separate points.
B)   ability to make an object larger.
C)   focusing mechanism used to bring objects clearly into view.
D)   optimum power used to most clearly view the entire specimen.
E)   depth of the specimen clearly in focus.F) A) and C)
G) None of the above

Question 8

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)   permits 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)   produces numerous channels for continuous flow of water from cell to cellF) A) and B)
G) None of the above

Question 9

Below is a diagram of a bacterium. What structure does Y represent?

Accepted Answer

A)   capsule
B)   flagella
C)   nucleoid
D)   cell wall
E)   fimbriaeF) B) and E)
G) B) and D)

Question 10

Which of the following statements describes the function of a chloroplast?

Accepted Answer

A)   It converts light energy into chemical energy.
B)   It aids in intracellular digestion.
C)   It manufactures proteins.
D)   It converts chemical energy into heat energy.
E)   It stores water.F) None of the above
G) B) and D)

Question 11

Chromosomes are made from

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

The hydrophilic parts of the plasma membrane face the outside of the cell and the cytoplasm.

Accepted Answer

A) True 
 B)False

Question 14

Which statement below is correct when comparing plant and animal cells?

Accepted Answer

A)   Plant cells only have a cell wall, and animal cells only have a plasma membrane.
B)   Plant cells only have a plasma membrane, and animal cells only 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) A) and B)
G) B) and E)

Question 15

As a molecule moves through the plasma membrane it passes through,

Accepted Answer

A)   a hydrophobic layer of phospholipid heads, then a hydrophilic layer of phospholipid tails, and then another hydrophobic layer of phospholipid heads.
B)   a hydrophobic layer of phospholipid tails, then a hydrophilic layer of phospholipid heads, and then another hydrophobic layer of phospholipid tails.
C)   a hydrophilic layer of phospholipid heads, then a hydrophobic layer of phospholipid tails.
D)   a hydrophilic layer of phospholipid heads, then a hydrophobic layer of phospholipid tails, and then another hydrophilic layer of phospholipid heads.
E)   a hydrophobic layer of phospholipid tails, and then a hydrophilic layer of phospholipid heads.F) D) and E)
G) A) and B)

Question 16

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

Question 17

Chloroplasts and mitochondria are similar in that they both

Accepted Answer

A)   contain DNA.
B)   are involved in protein production for the cell.
C)   are involved in cellular waste processing.
D)   are membranous sacs involved in storage.
E)   are involved in helping to maintain cell shape.F) All of the above
G) B) and E)

Question 18

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) A) and E)
G) D) and E)

Question 19

A tadpole that is undergoing metamorphosis into a frog and losing the need for a tail would see abundant numbers of which organelle to help assist in the tail loss?

Accepted Answer

A)   smooth endoplasmic reticulum
B)   vacuoles
C)   centrioles
D)   microtubles
E)   lysosomesF) B) and E)
G) B) and C)

Question 20

Plant cells can communicate with each other via ________, as indicated by the arrow in the figure.

Accepted Answer

A)   plasmodesmata
B)   fimbriae
C)   centrioles
D)   cytoskeleton
E)   piliF) C) and D)
G) B) and C)

Exam 4: Inside the Cell

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 cells die and the person gets better. In other words, the antibiotic destroys bacteria by

Correct AnswerverifiedShow Answer

Which statement below is correct when comparing plant and animal cells?

Correct AnswerverifiedShow Answer

Below is a diagram of a bacterium. What structure does Y represent?

Correct AnswerverifiedShow Answer

Chromosomes are made from

Correct AnswerverifiedShow Answer

Which feature is found in all cells?

Correct AnswerverifiedShow Answer

Which of the following statements describes the function of a chloroplast?

Correct AnswerverifiedShow Answer

As a molecule moves through the plasma membrane it passes through,

Correct AnswerverifiedShow Answer

Resolving power is the

Correct AnswerverifiedShow Answer

Plant cells can communicate with each other via ________, as indicated by the arrow in the figure.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A tadpole that is undergoing metamorphosis into a frog and losing the need for a tail would see abundant numbers of which organelle to help assist in the tail loss?

Correct AnswerverifiedShow Answer

Carrie would like to observe the cilia on the surface of a live paramecium- a single-celled organism. The best device to do this would be a

Correct AnswerverifiedShow Answer

The hydrophilic parts of the plasma membrane face the outside of the cell and the cytoplasm.

Correct AnswerverifiedShow Answer

Eukaryotic cells move their organelles using

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

What must materials pass through to enter or leave a cell?

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedShow Answer

Chloroplasts and mitochondria are similar in that they both

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified