Question 1

Which of the following statements does NOT agree with the cell theory?

Accepted Answer

A)  A balanced diet is important for good health. 
B)  Spontaneous generation of cells cannot occur. 
C)  The smallest living organisms are single cells. 
D)  Paramecium comes from Paramecium. 
E)  Insects are composed of cells. 
A)  A balanced diet is important for good health. 
B)  Spontaneous generation of cells cannot occur. 
C)  The smallest living organisms are single cells. 
D)  Paramecium comes from Paramecium. 
E)  Insects are composed of cells. A

Question 2

All the following are important functions of the cytoskeleton EXCEPT

Accepted Answer

A)  movement of organelles. 
B)  maintenance of organization in the cell. 
C)  assistance during cell division. 
D)  storage of food molecules. 
E)  maintenance of shape. 
A)  movement of organelles. 
B)  maintenance of organization in the cell. 
C)  assistance during cell division. 
D)  storage of food molecules. 
E)  maintenance of shape. D

Question 3

When a cell grows, it must produce more plasma membrane material. How does the cell do this?

Accepted Answer

An ER vesicle is sent off to the Golgi apparatus. The Golgi apparatus repackages the contents and sends a new vesicle to fuse with the plasma membrane, which helps to create more plasma membrane.

Question 4

MATCHING. Choose the item in column 2 that best matches each item in column 1.
For the following question(s), select the organelle that is the most appropriate match for each description. Selections may be used once, more than once, or not at all.
-Responsible for most of a muscle cell's ATP generation

Accepted Answer

A)  Smooth endoplasmic reticulum 
B)  Rough endoplasmic reticulum 
C)  Lysosome 
D)  Golgi apparatus 
E)  Mitochondrion 
A)  Smooth endoplasmic reticulum 
B)  Rough endoplasmic reticulum 
C)  Lysosome 
D)  Golgi apparatus 
E)  Mitochondrion

Question 5

Compare and contrast plant and animal cell structure. Include at least two similarities and two differences.

Accepted Answer

See Table 4.1 in the text for a listing

Question 6

If you removed the sex pili from a bacterial cell, then the

Accepted Answer

A)  bacterium would dry out. 
B)  bacterium could no longer exchange DNA with other cells. 
C)  shape of the bacterium would change. 
D)  bacterium could no longer regulate the movement of molecules into and out of the cell. 
E)  bacterium could no longer swim. 
A)  bacterium would dry out. 
B)  bacterium could no longer exchange DNA with other cells. 
C)  shape of the bacterium would change. 
D)  bacterium could no longer regulate the movement of molecules into and out of the cell. 
E)  bacterium could no longer swim.

Question 7

Which of the following relationships is FALSE?

Accepted Answer

A)  Nucleus- genetic information 
B)  Mitochondria- formation of ATP 
C)  Ribosomes- site of protein synthesis 
D)  Cell wall- support and protection 
E)  Chloroplasts- chief site of lipid synthesis 
A)  Nucleus- genetic information 
B)  Mitochondria- formation of ATP 
C)  Ribosomes- site of protein synthesis 
D)  Cell wall- support and protection 
E)  Chloroplasts- chief site of lipid synthesis

Question 8

If all of the lysosomes within a cell suddenly ruptured and released their contents, what could occur?

Accepted Answer

A)  The DNA within the mitochondria would begin to degrade. 
B)  The biological molecules in the cell would begin to degrade. 
C)  There would be no change in the normal function of the cell. 
D)  The mitochondria and chloroplasts would begin to divide. 
E)  The number of proteins in the cell would begin to increase. 
A)  The DNA within the mitochondria would begin to degrade. 
B)  The biological molecules in the cell would begin to degrade. 
C)  There would be no change in the normal function of the cell. 
D)  The mitochondria and chloroplasts would begin to divide. 
E)  The number of proteins in the cell would begin to increase.

Question 9

Which statement most accurately describes the interactions among ER, ribosomes, and Golgi bodies in exporting protein from the cell?

Accepted Answer

A)  ER manufactures proteins, which are carried by ribosomes to the Golgi bodies for export. 
B)  Golgi bodies manufacture proteins, which travel through the ER to be packaged by the ribosomes for export. 
C)  ER manufactures proteins, which are carried by the Golgi bodies to the ribosomes for export. 
D)  Ribosomes make proteins that travel through the Golgi bodies to the ER, which exports them. 
E)  Ribosomes manufacture proteins, which travel through the ER and are packaged by the Golgi bodies for export. 
A)  ER manufactures proteins, which are carried by ribosomes to the Golgi bodies for export. 
B)  Golgi bodies manufacture proteins, which travel through the ER to be packaged by the ribosomes for export. 
C)  ER manufactures proteins, which are carried by the Golgi bodies to the ribosomes for export. 
D)  Ribosomes make proteins that travel through the Golgi bodies to the ER, which exports them. 
E)  Ribosomes manufacture proteins, which travel through the ER and are packaged by the Golgi bodies for export.

Question 10

Which is a difference between prokaryotes and eukaryotes?

Accepted Answer

A)  Prokaryotes have DNA, whereas eukaryotes have RNA. 
B)  Prokaryotes have RNA, whereas eukaryotes have DNA. 
C)  Prokaryotes have a nucleoid, whereas eukaryotes have a nucleus. 
D)  Prokaryotes have a cell wall, but eukaryotes do not. 
E)  Prokaryotes have a nucleus, whereas eukaryotes have a nucleoid. 
A)  Prokaryotes have DNA, whereas eukaryotes have RNA. 
B)  Prokaryotes have RNA, whereas eukaryotes have DNA. 
C)  Prokaryotes have a nucleoid, whereas eukaryotes have a nucleus. 
D)  Prokaryotes have a cell wall, but eukaryotes do not. 
E)  Prokaryotes have a nucleus, whereas eukaryotes have a nucleoid.

Question 11

What primarily determines the shape of animal cells, which lack cell walls?

Accepted Answer

A)  Cytoplasm 
B)  Cytoskeleton 
C)  Endoplasmic reticulum 
D)  Nucleus 
E)  Ribosomes 
A)  Cytoplasm 
B)  Cytoskeleton 
C)  Endoplasmic reticulum 
D)  Nucleus 
E)  Ribosomes

Question 12

The cytoplasm of eukaryotic cells contains all of the following EXCEPT

Accepted Answer

A)  chromosomes. 
B)  dissolved nutrients. 
C)  enzymes. 
D)  organelles. 
E)  water. 
A)  chromosomes. 
B)  dissolved nutrients. 
C)  enzymes. 
D)  organelles. 
E)  water.

Question 13

The is an organelle that extracts energy from food molecules and converts it into ATP; the is an organelle that captures solar energy and converts it into food energy.

Accepted Answer

mitochondr

Question 14

Which of the following is NOT a function of plastids?

Accepted Answer

A)  Storing pigments 
B)  Extracting energy from food and converting it to ATP 
C)  Storing photosynthetic products 
D)  Carrying out photosynthesis 
A)  Storing pigments 
B)  Extracting energy from food and converting it to ATP 
C)  Storing photosynthetic products 
D)  Carrying out photosynthesis

Question 15

What are the three main components of modern cell theory?

Accepted Answer

All living organisms are compo

Question 16

Prokaryotic cells do NOT have

Accepted Answer

A)  genes. 
B)  cilia. 
C)  ribosomes. 
D)  cytoplasm. 
E)  flagella. 
A)  genes. 
B)  cilia. 
C)  ribosomes. 
D)  cytoplasm. 
E)  flagella.

Question 17

Which of the following provides evidence that mitochondria and chloroplasts were once free- living prokaryotic organisms?

Accepted Answer

A)  They produce digestive enzymes on their rough ER. 
B)  They capture the energy of sunlight to make ATP. 
C)  They contain nucleoids. 
D)  They contain their own DNA, independent of the nucleus. 
A)  They produce digestive enzymes on their rough ER. 
B)  They capture the energy of sunlight to make ATP. 
C)  They contain nucleoids. 
D)  They contain their own DNA, independent of the nucleus.

Question 18

The is an organelle in which some of the proteins synthesized on ribosomes and rough ER are modified and packaged.

Accepted Answer

The answer of The is an organelle in which some...

Question 19

Which of the following is the smallest?

Accepted Answer

A)  Virus 
B)  Mitochondrion 
C)  Prokaryotic cell 
D)  Eukaryotic cell 
A)  Virus 
B)  Mitochondrion 
C)  Prokaryotic cell 
D)  Eukaryotic cell

Question 20

Which of the following is the thinnest?

Accepted Answer

A)  A flagellum 
B)  A microfilament 
C)  An intermediate filament 
D)  A microtubule 
A)  A flagellum 
B)  A microfilament 
C)  An intermediate filament 
D)  A microtubule

Exam 4: Cell Structure and Function

Which of the following statements does NOT agree with the cell theory?

All the following are important functions of the cytoskeleton EXCEPT

When a cell grows, it must produce more plasma membrane material. How does the cell do this?

Compare and contrast plant and animal cell structure. Include at least two similarities and two differences.

If you removed the sex pili from a bacterial cell, then the

Which of the following relationships is FALSE?

If all of the lysosomes within a cell suddenly ruptured and released their contents, what could occur?

Which statement most accurately describes the interactions among ER, ribosomes, and Golgi bodies in exporting protein from the cell?

Which is a difference between prokaryotes and eukaryotes?

What primarily determines the shape of animal cells, which lack cell walls?

The cytoplasm of eukaryotic cells contains all of the following EXCEPT

The is an organelle that extracts energy from food molecules and converts it into ATP; the is an organelle that captures solar energy and converts it into food energy.

Which of the following is NOT a function of plastids?

What are the three main components of modern cell theory?

Prokaryotic cells do NOT have

Which of the following provides evidence that mitochondria and chloroplasts were once free- living prokaryotic organisms?

The is an organelle in which some of the proteins synthesized on ribosomes and rough ER are modified and packaged.

Which of the following is the smallest?

Which of the following is the thinnest?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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