Question 1

Which of the following terms does NOT relate to the mitochondrion?

Accepted Answer

A)   Cristae
B)   Self-replicating
C)   Outer and inner membranes
D)   ATP
E)   Vitamin A storageF) C) and D)
G) A) and E)

Question 2

-Red blood cells (RBCs)  have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is the condition of the RBC in solution "C"?

Accepted Answer

A)   Phagocytized
B)   Normal
C)   Coagulated
D)   Hemolyzed
E)   CrenatedF) A) and B)
G) B) and C)

Question 3

Which of the following organelles function in the destruction of nonfunctional organelles?

Accepted Answer

A)   Endoplasmic reticulum
B)   Centrioles
C)   Basal bodies
D)   Lysosomes
E)   MitochondriaF) A) and B)
G) B) and E)

Question 4

Active transport

Accepted Answer

A)   follows osmotic pressure gradients.
B)   can move substances along their concentration gradient.
C)   does not require metabolic energy (ATP) .
D)   involves vesicle formation.
E)   requires ATP.F) C) and E)
G) None of the above

Question 5

Which type of cell would have an abundance of lysosomes?

Accepted Answer

A)   White blood cell, a phagocyte
B)   Mucus cell (secretes mucus) 
C)   Liver cells that detoxify hydrogen peroxide
D)   Cardiac muscle cells (require large amounts of ATP) 
E)   Fibroblast (makes protein fibers) F) A) and C)
G) D) and E)

Question 6

Which of these cells would most likely have the largest number of mitochondria?

Accepted Answer

A)   Bone cells
B)   Skeletal muscle cells
C)   Adipocytes
D)   Red blood cells
E)   Skin cellsF) C) and D)
G) B) and C)

Question 7

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

Accepted Answer

A)   Membrane channel protein
B)   Phospholipid bilayer
C)   Internal membrane surface
D)   Peripheral protein
E)   Integral proteinF) A) and E)
G) C) and E)

Question 8

A cell's ability to replenish ATP is reduced by a metabolic poison. Which organelle is being affected?

Accepted Answer

A)   Nucleus
B)   Centriole
C)   Microtubule
D)   Mitochondrion
E)   RibosomeF) A) and E)
G) A) and B)

Question 9

Which of the following is NOT consistent with active transport?

Accepted Answer

A)   Movement is against a concentration gradient
B)   Movement is with a concentration gradient
C)   Involves a carrier
D)   Exhibits competition and saturation
E)   Uses cell energyF) A) and B)
G) A) and C)

Question 10

Which of the following is NOT a characteristic function of a cell?

Accepted Answer

A)   Reproduction and inheritance
B)   Metabolism and energy use
C)   Movement
D)   Synthesis
E)   CommunicationF) A) and B)
G) All of the above

Question 11

The lower limit of resolution of a light microscope is ________.

Accepted Answer

A)   100μm
B)   0.1μm
C)   10μm
D)   0.01μm
E)   1.0μmF) C) and E)
G) B) and C)

Question 12

Which of the following is NOT true of G-protein complex action?

Accepted Answer

A)   Stimulates a cell by means of extracellular chemical signals
B)   Stimulates a cell by opening ion channels in the plasma membrane
C)   Stimulates a cell by means of intracellular chemical signals
D)   Stimulates a cell by activating enzymes associated with the plasma membrane
E)   Acts as an intermediate between a receptor and other cellular proteinsF) A) and D)
G) A) and E)

Question 13

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

Accepted Answer

A)   rough ER
B)   lysosomes
C)   peroxisomes
D)   secretory vesicles
E)   proteosomesF) B) and D)
G) None of the above

Question 14

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

Accepted Answer

A)   fluid mosaic
B)   extracellular membrane
C)   intercellular fluid
D)   phospholipid
E)   glycocalyxF) B) and C)
G) A) and E)

Question 15

Membrane-bound receptors

Accepted Answer

A)   are small, lipid soluble molecules.
B)   have their receptor sites on the outer surface of the plasma membrane.
C)   can interact with DNA in the nucleus.
D)   do not exhibit specificity.
E)   have no effect on the cell.F) C) and E)
G) A) and E)

Question 16

-Red blood cells (RBCs)  have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is solution "A" relative to the RBC?

Accepted Answer

A)   Hypotonic solution
B)   Hypertonic solution
C)   Isotonic solutionD) None of the above
E) A) and C)

Question 17

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

Question 18

In general, water-soluble molecules diffuse through the ________; and lipid-soluble molecules diffuse through the ________.

Accepted Answer

A)   membrane channels; membrane channels
B)   membrane channels; lipid bilayer
C)   lipid bilayer; membrane channels
D)   lipid bilayer; lipid bilayer
E)   None of the choices are correct.F) A) and E)
G) B) and E)

Question 19

The structural RNA of ribosomes is a

Accepted Answer

A)   pre-mRNA.
B)   proenzyme.
C)   gene.
D)   ribosomal RNA (rRN
A)  .
E)   codon.F) D) and E)
G) C) and E)

Question 20

Internal structures of a cell that carry out specialized metabolic tasks are called ________.

Accepted Answer

A)   organelles
B)   ribosomes
C)   enzymes
D)   cytoskeletal elementsE) None of the above
F) A) and C)

Exam 3: Cell Biology

The structural RNA of ribosomes is a

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Active transport

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A red blood cell that is placed in a hypertonic solution

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Which of the following is NOT true of G-protein complex action?

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Membrane-bound receptors

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-Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is solution "A" relative to the RBC?

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Which of these cells would most likely have the largest number of mitochondria?

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

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Internal structures of a cell that carry out specialized metabolic tasks are called ________.

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Which of the following is NOT consistent with active transport?

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The lower limit of resolution of a light microscope is ________.

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Which of the following terms does NOT relate to the mitochondrion?

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Which of the following organelles function in the destruction of nonfunctional organelles?

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-Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is the condition of the RBC in solution "C"?

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Which type of cell would have an abundance of lysosomes?

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

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

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Which of the following is NOT a characteristic function of a cell?

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A cell's ability to replenish ATP is reduced by a metabolic poison. Which organelle is being affected?

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In general, water-soluble molecules diffuse through the ________; and lipid-soluble molecules diffuse through the ________.

Correct AnswerverifiedShow Answer

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In general, water-soluble molecules diffuse through the ; and lipid-soluble molecules diffuse through the .

Correct Answer
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