Question 1

What does the folding of the mitochondrial inner membrane, shown here, provide?

Accepted Answer

A)  increased surface area for light absorption 
B)  increased surface area for photosynthesis 
C)  greater ability to remove waste from the cell 
D)  greater surface area for ATP production 
E)  increased space for protein synthesis 
A)  increased surface area for light absorption 
B)  increased surface area for photosynthesis 
C)  greater ability to remove waste from the cell 
D)  greater surface area for ATP production 
E)  increased space for protein synthesis D

Question 2

Which of the following is a function of the nucleus?

Accepted Answer

A)  prepares molecules for export from the cell 
B)  provides a place for produced cellular materials to be refined 
C)  manufactures molecules 
D)  acts as the control center of the cell 
E)  assists in moving materials from one part of the cell to another 
A)  prepares molecules for export from the cell 
B)  provides a place for produced cellular materials to be refined 
C)  manufactures molecules 
D)  acts as the control center of the cell 
E)  assists in moving materials from one part of the cell to another D

Question 3

There is an antibiotic called streptomycin that inhibits the function of bacterial ribosomes. Consequently, as the bacterial cells die, the person taking the antibiotics 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. 
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. D

Question 4

Which of the following is a type of intracellular protein?

Accepted Answer

A)  actin filaments 
B)  myosin 
C)  microtubules 
D)  kinesin 
E)  All of the above are types of intracellular proteins. 
A)  actin filaments 
B)  myosin 
C)  microtubules 
D)  kinesin 
E)  All of the above are types of intracellular proteins.

Question 5

The stack of thylakoids labeled "A" in this figure is called

Accepted Answer

A)  chloroplast. 
B)  thylakoid space. 
C)  granum. 
D)  cristae. 
E)  stroma. 
A)  chloroplast. 
B)  thylakoid space. 
C)  granum. 
D)  cristae. 
E)  stroma.

Question 6

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

Question 7

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.

Question 8

Which of the following organelles would be abundant in a sperm cell that is actively swimming towards 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 9

Which of the following is the correct sequencethrough the endomembrane system for material that is destined to besecreted from the cell?

Accepted Answer

A)  rough endoplasmic reticulum - Golgi apparatus - plasma membrane 
B)  Golgi apparatus - ribosome - plasma membrane 
C)  nucleus - smooth endoplasmic reticulum - Golgi apparatus 
D)  Golgi apparatus - smooth endoplasmic reticulum - plasma membrane 
E)  smooth endoplasmic reticulum - plasma membrane - Golgi apparatus - ribosome 
A)  rough endoplasmic reticulum - Golgi apparatus - plasma membrane 
B)  Golgi apparatus - ribosome - plasma membrane 
C)  nucleus - smooth endoplasmic reticulum - Golgi apparatus 
D)  Golgi apparatus - smooth endoplasmic reticulum - plasma membrane 
E)  smooth endoplasmic reticulum - plasma membrane - Golgi apparatus - ribosome

Question 10

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. 
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.

Question 11

Proteins within the extracellular matrix play a role in communicating between the matrix and the cytoskeleton.

Accepted Answer

A) True 
 B)False

Question 12

Eukaryotic cells have DNA enclosed in a double membrane called the nucleus. The nucleus functions to

Accepted Answer

A)  separate the DNA from other activities that occur in the cytoplasm. 
B)  prevent the DNA from influencing the activities in the cytoplasm. 
C)  prevent materials associated with the DNA from coming into contact with the cell's cytoplasm. 
D)  separate the DNA and mRNA from the cytoplasm. 
E)  separate the DNA from the RNA. 
A)  separate the DNA from other activities that occur in the cytoplasm. 
B)  prevent the DNA from influencing the activities in the cytoplasm. 
C)  prevent materials associated with the DNA from coming into contact with the cell's cytoplasm. 
D)  separate the DNA and mRNA from the cytoplasm. 
E)  separate the DNA from the RNA.

Question 13

Which structures determine the flexibility of the extracellular matrix?

Accepted Answer

A)  proteins 
B)  lipids 
C)  carbohydrates 
D)  phospholipids 
E)  nucleic acids 
A)  proteins 
B)  lipids 
C)  carbohydrates 
D)  phospholipids 
E)  nucleic acids

Question 14

Below is a diagram of a bacterium. What part of the bacterial cell does Y represent?

Accepted Answer

A)  capsule 
B)  flagella 
C)  nucleoid 
D)  cell wall 
E)  fimbriae 
A)  capsule 
B)  flagella 
C)  nucleoid 
D)  cell wall 
E)  fimbriae

Question 15

Which of the following is a correct match of a molecule and the location where it is principally used?

Accepted Answer

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

Question 16

Plant cells are connected to one another by

Accepted Answer

A)  plasmodesmata 
B)  fimbriae 
C)  centrioles 
D)  cytoskeleton 
E)  pili 
A)  plasmodesmata 
B)  fimbriae 
C)  centrioles 
D)  cytoskeleton 
E)  pili

Question 17

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

Accepted Answer

A)  ribosome 
B)  nucleus 
C)  plasma membrane 
D)  lysosome 
E)  vacuole 
A)  ribosome 
B)  nucleus 
C)  plasma membrane 
D)  lysosome 
E)  vacuole

Question 18

A tadpole that is undergoing metamorphosis into a frog and no longer requires a tail. Which organelle would help assist in the tail loss?

Accepted Answer

A)  smooth endoplasmic reticulum 
B)  vacuoles 
C)  centrioles 
D)  microtubles 
E)  lysosomes 
A)  smooth endoplasmic reticulum 
B)  vacuoles 
C)  centrioles 
D)  microtubles 
E)  lysosomes

Question 19

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)  bind to a signal molecule and bring about a cellular response. 
D)  are found embedded in the nuclear membrane andtransmit 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)  bind to a signal molecule and bring about a cellular response. 
D)  are found embedded in the nuclear membrane andtransmit 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.

Question 20

What function does the nucleolus have?

Accepted Answer

A)  houses the chromatin 
B)  prepares products for export from the cell 
C)  contains enzymes for intracellular digestion 
D)  contains the majority of cellular DNA 
E)  synthesizes ribosomal RNA 
A)  houses the chromatin 
B)  prepares products for export from the cell 
C)  contains enzymes for intracellular digestion 
D)  contains the majority of cellular DNA 
E)  synthesizes ribosomal RNA

Exam 4: Inside the Cell

What does the folding of the mitochondrial inner membrane, shown here, provide?

Which of the following is a function of the nucleus?

There is an antibiotic called streptomycin that inhibits the function of bacterial ribosomes. Consequently, as the bacterial cells die, the person taking the antibiotics gets better. In other words, the antibiotic destroys bacteria by

Which of the following is a type of intracellular protein?

The stack of thylakoids labeled "A" in this figure is called

Which of the following human cells would contain cilia?

The main structural component of a plant cell wall is

Which of the following organelles would be abundant in a sperm cell that is actively swimming towards an egg cell?

Which of the following is the correct sequencethrough the endomembrane system for material that is destined to besecreted from the cell?

Chloroplasts and mitochondria are similar in that they both

Proteins within the extracellular matrix play a role in communicating between the matrix and the cytoskeleton.

Eukaryotic cells have DNA enclosed in a double membrane called the nucleus. The nucleus functions to

Which structures determine the flexibility of the extracellular matrix?

Below is a diagram of a bacterium. What part of the bacterial cell does Y represent?

Which of the following is a correct match of a molecule and the location where it is principally used?

Plant cells are connected to one another by

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

A tadpole that is undergoing metamorphosis into a frog and no longer requires a tail. Which organelle would help assist in the tail loss?

Receptor proteins

What function does the nucleolus have?

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

Biotechnology and Genomics

Mutations and Genetic Testing

Darwin and Evolution

Evolution on a Small Scale

Evolution on a Large Scale

Viruses, Bacteria, and Protists

Plants and Fungi

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 and Populations

Communities and Ecosystems

Human Impact on the Biosphere

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