Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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 3

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)  codes for the synthesis of 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)  codes for the synthesis of ribosomal RNA

Question 4

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 5

Which organelle is required for producing ATP for cellular work?

Accepted Answer

A)  nucleus 
B)  vacuole 
C)  mitochondria 
D)  Golgi apparatus 
E)  chloroplast 
A)  nucleus 
B)  vacuole 
C)  mitochondria 
D)  Golgi apparatus 
E)  chloroplast

Question 6

Which of the following is the correct sequence for an altered protein that is secreted 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 7

In which way are vesicles different from vacuoles?

Accepted Answer

A)  They are not made from membranes. 
B)  They are smaller. 
C)  Vesicles are more specialized than vacuoles. 
D)  They are most often involved in storage. 
E)  They are primarily found in plant cells. 
A)  They are not made from membranes. 
B)  They are smaller. 
C)  Vesicles are more specialized than vacuoles. 
D)  They are most often involved in storage. 
E)  They are primarily found in plant cells.

Question 8

Some proteins within a cell can be viewed with

Accepted Answer

A)  the human eye. 
B)  an electron microscope. 
C)  a light microscope. 
D)  a magnifying glass. 
E)  a dissecting microscope. 
A)  the human eye. 
B)  an electron microscope. 
C)  a light microscope. 
D)  a magnifying glass. 
E)  a dissecting microscope.

Question 9

Which of the following is not a function of the endomembrane system?

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

Question 10

Plant cells have walls but do not have plasma membranes.

Accepted Answer

A) True 
 B)False

Question 11

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 12

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 13

Which of the following organelles is not involved in producing substances needed by a cell?

Accepted Answer

A)  smooth endoplasmic reticulum 
B)  lysosome 
C)  ribosome 
D)  rough endoplasmic reticulum 
E)  peroxisome 
A)  smooth endoplasmic reticulum 
B)  lysosome 
C)  ribosome 
D)  rough endoplasmic reticulum 
E)  peroxisome

Question 14

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 15

The only molecules that can pass freely through the plasma membrane are ones that are

Accepted Answer

A)  positively charged. 
B)  small and hydrophobic. 
C)  ones that are polar. 
D)  small and polar. 
E)  small and negatively charged. 
A)  positively charged. 
B)  small and hydrophobic. 
C)  ones that are polar. 
D)  small and polar. 
E)  small and negatively charged.

Question 16

Which of the following organelles would form a membrane-bound package, also known as a vesicle?

Accepted Answer

A)  Golgi apparatus 
B)  lysosomes 
C)  mitochondria 
D)  ribosomes 
E)  chloroplasts 
A)  Golgi apparatus 
B)  lysosomes 
C)  mitochondria 
D)  ribosomes 
E)  chloroplasts

Question 17

Identify the organelle - function pairing that is incorrect.

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 - provides strength to plant cell walls 
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 - provides strength to plant cell walls 
D)  lysosomes - contain digestive enzymes that can digest molecules or cellular components 
E)  nucleus - houses the DNA used for controlling all cell function

Question 18

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

Accepted Answer

A)  to transport molecules across the membrane 
B)  to allow one cell to recognize another of the same type or from the same body 
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)  to allow one cell to recognize another of the same type or from the same body 
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 19

Which of the following is a correct matching of an organelle and its function?

Accepted Answer

A)  Golgi apparatus - protein synthesis 
B)  mitochondrion - cellular respiration 
C)  lysosome - transport 
D)  vacuole - control center 
E)  endoplasmic reticulum - houses DNA 
A)  Golgi apparatus - protein synthesis 
B)  mitochondrion - cellular respiration 
C)  lysosome - transport 
D)  vacuole - control center 
E)  endoplasmic reticulum - houses DNA

Question 20

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

Exam 4: Inside the Cell

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

Mitochondria are found in

What function does the nucleolus have?

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

Which organelle is required for producing ATP for cellular work?

Which of the following is the correct sequence for an altered protein that is secreted from the cell?

In which way are vesicles different from vacuoles?

Some proteins within a cell can be viewed with

Which of the following is not a function of the endomembrane system?

Plant cells have walls but do not have plasma membranes.

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

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

Which of the following organelles is not involved in producing substances needed by a cell?

Compared with a eukaryotic cell, a prokaryotic cell

The only molecules that can pass freely through the plasma membrane are ones that are

Which of the following organelles would form a membrane-bound package, also known as a vesicle?

Identify the organelle - function pairing that is incorrect.

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

Which of the following is a correct matching of an organelle and its function?

Which structures determine the flexibility of the extracellular matrix?

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

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