Question 1

Receptor proteins

Accepted Answer

A)  receive incoming nutrients and store them until they are needed by the cell. 
B)  only function in very specific cell types that receive sensory information. 
C)  transmit information from outside the cell so that the cell can respond to stimuli. 
D)  are found embedded in the nuclear membrane and transmit information to the cell's cytoplasm on how to make a protein from the DNA. 
E)  receive large molecules and transmit them through the membrane. 
A)  receive incoming nutrients and store them until they are needed by the cell. 
B)  only function in very specific cell types that receive sensory information. 
C)  transmit information from outside the cell so that the cell can respond to stimuli. 
D)  are found embedded in the nuclear membrane and transmit information to the cell's cytoplasm on how to make a protein from the DNA. 
E)  receive large molecules and transmit them through the membrane. C

Question 2

The nuclear membrane differs from the plasma membrane in that the nuclear membrane is a single layer of phospholipids.

Accepted Answer

A) True 
 B)False  False

Question 3

The main structural component of a plant cell wall is

Accepted Answer

A)  cytoskeleton. 
B)  cellulose. 
C)  extracellular matrix. 
D)  plasmodesmata. 
E)  middle lamella. 
A)  cytoskeleton. 
B)  cellulose. 
C)  extracellular matrix. 
D)  plasmodesmata. 
E)  middle lamella. B

Question 4

Without receptor proteins, a cell would not be able 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 5

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 6

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 7

Which of the following organelles would be abundant in a sperm cell that is seeking to fertilize an egg cell?

Accepted Answer

A)  mitochondria 
B)  lysosomes 
C)  smooth endoplasmic reticulum 
D)  Golgi apparatus 
E)  ribosomes 
A)  mitochondria 
B)  lysosomes 
C)  smooth endoplasmic reticulum 
D)  Golgi apparatus 
E)  ribosomes

Question 8

Which of the following is an incorrect match of molecule to the location where it is principally used?

Accepted Answer

A)  DNA - nucleus 
B)  mRNA - nucleus and cytoplasm 
C)  rRNA - cytoplasm 
D)  glucose - lysosome 
E)  proteins - ribosome 
A)  DNA - nucleus 
B)  mRNA - nucleus and cytoplasm 
C)  rRNA - cytoplasm 
D)  glucose - lysosome 
E)  proteins - ribosome

Question 9

A general eukaryotic cell is typically in the area of

Accepted Answer

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

Question 10

Which of the following organelles is not surrounded by a membrane?

Accepted Answer

A)  nucleus 
B)  chloroplast 
C)  mitochondrion 
D)  lysosomes 
E)  ribosomes 
A)  nucleus 
B)  chloroplast 
C)  mitochondrion 
D)  lysosomes 
E)  ribosomes

Question 11

Which of the following is not a function of junction proteins?

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 12

Which of the following is an incorrect match?

Accepted Answer

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

Question 13

Where do the vesicles that are being made for secretion from the cell become modified and packaged?

Accepted Answer

A)  smooth ER 
B)  rough ER 
C)  Golgi apparatus 
D)  ribosomes 
E)  plasma membrane 
A)  smooth ER 
B)  rough ER 
C)  Golgi apparatus 
D)  ribosomes 
E)  plasma membrane

Question 14

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. 
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.

Question 15

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. 
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.

Question 16

Without tight 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.

Question 17

Which of the following structures would not be found in a prokaryotic cell?

Accepted Answer

A)  cell membrane 
B)  nucleus 
C)  ribosomes 
D)  flagella 
E)  chromosomes 
A)  cell membrane 
B)  nucleus 
C)  ribosomes 
D)  flagella 
E)  chromosomes

Question 18

Mitochondria and chloroplasts 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 cilia 
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 cilia

Question 19

In bacterial cells and plant cells, cell walls 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. 
A)  moving organelles throughout the cell. 
B)  maintaining cell shape. 
C)  producing the cytoskeleton. 
D)  containing DNA. 
E)  modifying lipids and proteins.

Question 20

Which of the following human cells would contain cilia?

Accepted Answer

A)  red blood cell 
B)  sperm 
C)  cell from the trachea windpipe) 
D)  neuron 
E)  bone cell 
A)  red blood cell 
B)  sperm 
C)  cell from the trachea windpipe) 
D)  neuron 
E)  bone cell

Exam 4: Inside the Cell

Receptor proteins

The nuclear membrane differs from the plasma membrane in that the nuclear membrane is a single layer of phospholipids.

The main structural component of a plant cell wall is

Without receptor proteins, a cell would not be able to

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

Both plants and animals need mitochondria to

Which of the following organelles would be abundant in a sperm cell that is seeking to fertilize an egg cell?

Which of the following is an incorrect match of molecule to the location where it is principally used?

A general eukaryotic cell is typically in the area of

Which of the following organelles is not surrounded by a membrane?

Which of the following is not a function of junction proteins?

Which of the following is an incorrect match?

Where do the vesicles that are being made for secretion from the cell become modified and packaged?

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

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

Without tight junctions in certain tissues,

Which of the following structures would not be found in a prokaryotic cell?

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

In bacterial cells and plant cells, cell walls function in

Which of the following human cells would contain cilia?

A View 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 and Technology

Biotechnology and Genomics

Genetic Counseling

Darwin and Evolution

Evolution on a Small Scale

Evolution on a Large Scale

The Microorganisms: Viruses, Bacteria, and Protists

The Plants and Fungi

The Animals

Plant Anatomy and Growth

Plant Responses and Reproduction

Being Organized and Steady

The Transport Systems

The Maintenance Systems

Digestion and Human Nutrition

Defenses Against Disease

The Control Systems

Sensory Input and Motor Output

Reproduction and Embryonic Development

Ecology of Populations

Communities and Ecosystems

Human Impact on the Biosphere

Filters

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