Question 1

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. 
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.

Question 2

Compared with a eukaryotic cell, a prokaryotic cell

Accepted Answer

A)  lacks organelles beyond ribosomes. 
B)  is larger. 
C)  does not require energy. 
D)  is not living. 
E)  has no method of movement. 
A)  lacks organelles beyond ribosomes. 
B)  is larger. 
C)  does not require energy. 
D)  is not living. 
E)  has no method of movement.

Question 3

Which of the following allows eukaryotic cells and their organelles to move?

Accepted Answer

A)  the cytoskeleton 
B)  the endomembrane system 
C)  chloroplasts 
D)  the plasma membrane 
E)  the nucleus 
A)  the cytoskeleton 
B)  the endomembrane system 
C)  chloroplasts 
D)  the plasma membrane 
E)  the nucleus

Question 4

Both plants and animals need mitochondria to

Accepted Answer

A)  produce glucose. 
B)  produce ATP. 
C)  produce lipids. 
D)  break down proteins. 
E)  manufacture phospholipids. 
A)  produce glucose. 
B)  produce ATP. 
C)  produce lipids. 
D)  break down proteins. 
E)  manufacture phospholipids.

Question 5

Identify the organelle - function pairing that is mismatched.

Accepted Answer

A)  flagella - long, tail-like structure used in motility of some cells 
B)  ribosomes - capable of producing proteins for the cell 
C)  plasma membrane - outermost barrier of a plant cell 
D)  lysosomes - contain digestive enzymes that can digest molecules or cellular components 
E)  nucleus - houses the DNA used for controlling all cell function 
A)  flagella - long, tail-like structure used in motility of some cells 
B)  ribosomes - capable of producing proteins for the cell 
C)  plasma membrane - outermost barrier of a plant cell 
D)  lysosomes - contain digestive enzymes that can digest molecules or cellular components 
E)  nucleus - houses the DNA used for controlling all cell function

Question 6

The glycoproteins found in the plasma membrane function in what capacity?

Accepted Answer

A)  to transport molecules across the membrane 
B)  establishing the identity of the cell 
C)  to attach to the cytoskeleton on the interior of the cell and maintain the cell in a position relative to other cells 
D)  to maintain the membrane's fluidity 
E)  to catalyze reactions that are crucial to the cell's functioning 
A)  to transport molecules across the membrane 
B)  establishing the identity of the cell 
C)  to attach to the cytoskeleton on the interior of the cell and maintain the cell in a position relative to other cells 
D)  to maintain the membrane's fluidity 
E)  to catalyze reactions that are crucial to the cell's functioning

Question 7

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. 
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.

Question 8

Which of the following is 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)  All of the answers are possible functions of the extracellular matrix. 
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)  All of the answers are possible functions of the extracellular matrix.

Question 9

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. 
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.

Question 10

Which of the following is a function of glycoproteins?

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 bind cells together into a functional organ 
D)  to permit cells to recognize one another 
E)  to allow cell-to-cell communication 
A)  to stitch cells together so that they do not move apart 
B)  to allow information to pass between adjacent cells 
C)  to bind cells together into a functional organ 
D)  to permit cells to recognize one another 
E)  to allow cell-to-cell communication

Question 11

Plant cells have plasmodesmata that

Accepted Answer

A)  function in photosynthesis. 
B)  are the sites of starch production. 
C)  resemble the cytoskeleton of animal cells. 
D)  take the place of the plasma membrane that would be found in animals. 
E)  connect the cytoplasm of one cell with that of another. 
A)  function in photosynthesis. 
B)  are the sites of starch production. 
C)  resemble the cytoskeleton of animal cells. 
D)  take the place of the plasma membrane that would be found in animals. 
E)  connect the cytoplasm of one cell with that of another.

Question 12

A cell that cannot produce enough energy to function properly most likely has a problem with its

Accepted Answer

A)  nucleus. 
B)  vacuoles. 
C)  mitochondria. 
D)  Golgi apparatus. 
E)  chloroplasts. 
A)  nucleus. 
B)  vacuoles. 
C)  mitochondria. 
D)  Golgi apparatus. 
E)  chloroplasts.

Question 13

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)  the ability to photosynthesize 
A)  the number of microvilli 
B)  the size of the nucleus 
C)  cilia movement 
D)  surface-area-to-volume ratio 
E)  the ability to photosynthesize

Question 14

All cells have some characteristics in common; both prokaryotic and eukaryotic cells have

Accepted Answer

A)  cytoplasm, a plasma membrane, and DNA. 
B)  a cell membrane and cytoplasm. 
C)  a nucleus and a cell membrane. 
D)  cytoplasm, a plasma membrane, and a nucleus. 
E)  DNA and a cell membrane. 
A)  cytoplasm, a plasma membrane, and DNA. 
B)  a cell membrane and cytoplasm. 
C)  a nucleus and a cell membrane. 
D)  cytoplasm, a plasma membrane, and a nucleus. 
E)  DNA and a cell membrane.

Question 15

Both the nuclear membrane and the plasma membrane are composed of phospholipids.

Accepted Answer

A) True 
 B)False

Question 16

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(n)

Accepted Answer

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

Question 17

Receptor proteins allow a cell 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. 
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.

Question 18

Mitochondria are found in

Accepted Answer

A)  plant cells. 
B)  animal cells only. 
C)  both plant cells and animal cells. 
D)  neither plant cells nor animal cells. 
E)  animal cells and bacterial cells only. 
A)  plant cells. 
B)  animal cells only. 
C)  both plant cells and animal cells. 
D)  neither plant cells nor animal cells. 
E)  animal cells and bacterial cells only.

Question 19

A general eukaryotic cell is typically in the area of

Accepted Answer

A)  0-1 mm. 
B)  1-10 nm. 
C)  1-10 μm. 
D)  10-100 μm. 
E)  10-100 mm. 
A)  0-1 mm. 
B)  1-10 nm. 
C)  1-10 μm. 
D)  10-100 μm. 
E)  10-100 mm.

Question 20

Without gap 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. 
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.

Exam 4: Inside the Cell

As a molecule moves through the plasma membrane it passes through

Compared with a eukaryotic cell, a prokaryotic cell

Which of the following allows eukaryotic cells and their organelles to move?

Both plants and animals need mitochondria to

Identify the organelle - function pairing that is mismatched.

The glycoproteins found in the plasma membrane function in what capacity?

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

Which of the following is a possible function of the extracellular matrix in animal cells?

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

Which of the following is a function of glycoproteins?

Plant cells have plasmodesmata that

A cell that cannot produce enough energy to function properly most likely has a problem with its

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

All cells have some characteristics in common; both prokaryotic and eukaryotic cells have

Both the nuclear membrane and the plasma membrane are composed of phospholipids.

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(n)

Receptor proteins allow a cell to

Mitochondria are found in

A general eukaryotic cell is typically in the area of

Without gap junctions in certain tissues,

Biology: the Science of Life

The Chemical Basis of Life

The Organic Molecules of Life

The Dynamic Cell

Energy for Life

Energy for Cells

Cellular Reproduction

Meiosis and the Genetic Basis of Sexual Reproduction

Patterns of Inheritance

Dna Biology

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Darwin and Evolution

Evolution on a Small Scale

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Viruses, Bacteria, and Protists

Plants and Fungi

Animals

Plant Anatomy and Growth

Plant Responses and Reproduction

Being Organized and Steady

The Transport Systems

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Digestion and Human Nutrition

Defenses Against Disease

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Sensory Input and Motor Output

Reproduction and Embryonic Development

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