Question 1

A red blood cell that is placed in a hypertonic solution

Accepted Answer

A)   loses water.
B)   gains water.
C)   floats.
D)   ruptures.
E)   neither gains nor loses water.F) A) and D)
G) A) and C)

Question 2

A cell with abundant peroxisomes would most likely be involved in

Accepted Answer

A)   detoxification activities.
B)   secretion.
C)   protein synthesis.
D)   storage of glycogen.
E)   cellular communication.F) B) and C)
G) A) and B)

Question 3

White blood cells digest other cells and so would be expected to

Accepted Answer

A)   have mitochondria to energize them.
B)   have large numbers of lysosomes.
C)   possess cilia on their surfaces so they can move quickly.
D)   expel their nuclei to make room for all of the cells they eat.
E)   excrete excess salt as a result of all this eating.F) B) and D)
G) B) and C)

Question 4

The leading strand of DNA is formed as

Accepted Answer

A)   soon as the lagging strand is formed.
B)   a continuous strand, adding to the 5´ end.
C)   a continuous strand, adding to the 3´ end.
D)   a template.
E)   short segments called Okazaki fragments.F) A) and B)
G) B) and D)

Question 5

What type of cell would have an abundance of lysosomes?

Accepted Answer

A)   liver cells that detoxify hydrogen peroxide
B)   fibroblast (makes protein fibers) 
C)   white blood cell, a phagocyte
D)   cardiac muscle cells (require large amounts of ATP) 
E)   mucus cell (secretes mucus) F) A) and E)
G) C) and D)

Question 6

Which of the following cell organelles is CORRECTLY matched with its function?

Accepted Answer

A)   ribosome - energy production
B)   microtubules - cell support
C)   mitochondria - protein synthesis
D)   smooth ER - ATP production
E)   nucleolus - contains the genetic material of the cellF) B) and D)
G) B) and C)

Question 7

Which of the following is NOT consistent with active transport?

Accepted Answer

A)   uses cell energy
B)   movement is against a concentration gradient
C)   movement is with a concentration gradient
D)   exhibits competition and saturation
E)   involves a carrierF) B) and D)
G) A) and D)

Question 8

What type of membrane proteins can catalyze chemical reactions on the inner or outer surfaces of the plasma membrane?

Accepted Answer

A)   channel protein
B)   carrier proteins
C)   receptor proteins
D)   enzymes
E)   marker moleculesF) C) and D)
G) A) and B)

Question 9

Which of the following activities is a function of the plasma membrane?

Accepted Answer

A)   cell metabolism
B)   transport of products from the nucleus to the endoplasmic reticulum
C)   recognition of bacterial cells by the immune system
D)   digestion of unneeded cell organelles
E)   detoxificationF) C) and E)
G) A) and D)

Question 10

Which of the following is NOT associated with interphase?

Accepted Answer

A)   The centrioles duplicate.
B)   The cell grows.
C)   The cell does nothing but rest.
D)   The cell does what it is designed to do.
E)   The DNA replicates.F) A) and E)
G) A) and C)

Question 11

Receptor-mediated endocytosis

Accepted Answer

A)   moves materials out of the cell.
B)   is a type of passive transport.
C)   exhibits specificity.
D)   does not need ATP; the receptors supply the energy.
E)   occurs if oxygen is available.F) B) and C)
G) A) and E)

Question 12

Cytoplasm is found

Accepted Answer

A)   in the nucleus.
B)   outside the nucleus but inside the plasma membrane.
C)   in the cisternae of the endoplasmic reticulum.
D)   on the cristae of the mitochondria.
E)   between the phospholipids in the plasma membrane.F) A) and E)
G) C) and E)

Question 13

Which of the following is NOT an example of a cytoplasmic inclusion?

Accepted Answer

A)   lipid droplets
B)   hemoglobin
C)   actin filaments
D)   melanin
E)   lipochromeF) A) and E)
G) C) and D)

Question 14

Pinocytosis

Accepted Answer

A)   forms vesicles only when large amounts of material are being transported.
B)   does not require ATP.
C)   is a form of exocytosis.
D)   involves ingestion of liquids rather than particles.
E)   does not require the formation of vesicles.F) A) and D)
G) D) and E)

Question 15

A cell that breaks down and recycles proteins would have large numbers of

Accepted Answer

A)   peroxisomes.
B)   secretory vesicles.
C)   proteosomes.
D)   lysosomes.
E)   rough ER.F) B) and E)
G) C) and D)

Question 16

-The cell is the basic unit of life. All cellular structures exhibit special functions. Match the structure with its function. What is the function of "E"?

Accepted Answer

A)   major site of ATP synthesis when oxygen is available
B)   contains digestive enzymes
C)   directs cellular activities, contains DNA
D)   site of protein synthesis
E)   outer boundary of cell, controls entry and exit of substancesF) All of the above
G) B) and C)

Question 17

-What structure does "C" represent on the diagram of the plasma membrane?

Accepted Answer

A)   phospholipid bilayer
B)   integral protein
C)   membrane channel protein
D)   peripheral protein
E)   internal membrane surfaceF) D) and E)
G) C) and E)

Question 18

Which of the following events occurs in the nucleus?

Accepted Answer

A)   ATP synthesis
B)   ribosomal proteins formed
C)   chromatin condenses to form chromosomes
D)   manufacture of phospholipids
E)   None of these events occurs in the nucleus.F) A) and C)
G) A) and E)

Question 19

The collection of carbohydrates, glycolipids, and glycoproteins of the plasma membrane is called the

Accepted Answer

A)   intercellular fluid.
B)   phospholipid.
C)   fluid mosaic.
D)   glycocalyx.
E)   extracellular membrane.F) C) and D)
G) None of the above

Question 20

Nucleoli

Accepted Answer

A)   are located in the cytoplasm.
B)   are important for the formation of the Golgi apparatus.
C)   have a distinct membrane.
D)   regulate movement of materials into the nucleus.
E)   produce ribosomal subunits.F) A) and E)
G) B) and E)

Exam 3: Cell Biology

A red blood cell that is placed in a hypertonic solution

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Which of the following is NOT an example of a cytoplasmic inclusion?

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White blood cells digest other cells and so would be expected to

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Cytoplasm is found

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A cell that breaks down and recycles proteins would have large numbers of

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Receptor-mediated endocytosis

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Pinocytosis

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Nucleoli

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What type of membrane proteins can catalyze chemical reactions on the inner or outer surfaces of the plasma membrane?

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Which of the following events occurs in the nucleus?

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-What structure does "C" represent on the diagram of the plasma membrane?

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A cell with abundant peroxisomes would most likely be involved in

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Which of the following cell organelles is CORRECTLY matched with its function?

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-The cell is the basic unit of life. All cellular structures exhibit special functions. Match the structure with its function. What is the function of "E"?

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Which of the following is NOT associated with interphase?

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Which of the following activities is a function of the plasma membrane?

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What type of cell would have an abundance of lysosomes?

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Which of the following is NOT consistent with active transport?

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The collection of carbohydrates, glycolipids, and glycoproteins of the plasma membrane is called the

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The leading strand of DNA is formed as

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