Question 1

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 2

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

Accepted Answer

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

Question 3

Which is a difference between prokaryotes and eukaryotes?

Accepted Answer

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

Question 4

Both prokaryotic and eukaryotic cells possess

Accepted Answer

A)  ribosomes. 
B)  chloroplasts. 
C)  a nucleus. 
D)  mitochondria. 
A)  ribosomes. 
B)  chloroplasts. 
C)  a nucleus. 
D)  mitochondria.

Question 5

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

Accepted Answer

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

Question 6

RNA carries information for protein synthesis from the DNA in the nucleus to the ribosomes in the cytoplasm. To get from the nucleus to the cytoplasm, RNA must pass through a__________ in the nuclear membrane.

Accepted Answer

The answer of RNA carries information for protein synthesis from...

Question 7

The major histocompatibility complex (MHC) is an example of a(n)

Accepted Answer

A)  organelle. 
B)  glycoprotein. 
C)  polysaccharide. 
D)  phospholipid. 
A)  organelle. 
B)  glycoprotein. 
C)  polysaccharide. 
D)  phospholipid.

Question 8

Which of the following is so small, it is visible only with an electron microscope?

Accepted Answer

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

Question 9

All of the following are dependent on cilia EXCEPT the

Accepted Answer

A)  respiratory tract of vertebrates. 
B)  sperm of animals. 
C)  gills of oysters. 
D)  oviduct in mammals. 
A)  respiratory tract of vertebrates. 
B)  sperm of animals. 
C)  gills of oysters. 
D)  oviduct in mammals.

Question 10

Cells that have a nucleus are referred to as__________ cells; those that lack a membrane-bound nucleus are called__________ cells.

Accepted Answer

eukaryotic

Question 11

The Golgi apparatus packages materials into__________ for transport or export.

Accepted Answer

A)  organelles 
B)  vesicles 
C)  nucleoli 
D)  vacuoles 
E)  plastids 
A)  organelles 
B)  vesicles 
C)  nucleoli 
D)  vacuoles 
E)  plastids

Question 12

Describe the main functions of the plasma membrane.

Accepted Answer

The plasma membrane isolates t

Question 13

A particular cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a(n)__________ cell.

Accepted Answer

A)  plant, but not an animal 
B)  bacterial 
C)  plant or animal 
D)  plant or bacterial 
E)  animal, but not a plant 
A)  plant, but not an animal 
B)  bacterial 
C)  plant or animal 
D)  plant or bacterial 
E)  animal, but not a plant

Question 14

Briefly describe the similarities and differences between cilia and flagella.

Accepted Answer

Both are slender extensions of the cell

Question 15

Which cellular organelle packages enzymes and forms lysosomes?

Accepted Answer

A)  Golgi apparatus 
B)  Rough ER 
C)  Mitochondrion 
D)  Smooth ER 
A)  Golgi apparatus 
B)  Rough ER 
C)  Mitochondrion 
D)  Smooth ER

Question 16

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

Accepted Answer

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

Question 17

Which of the following is associated with rough ER?

Accepted Answer

A)  Chlorophyll 
B)  Plasma membrane 
C)  Lipid synthesis 
D)  Ribosomes 
E)  DNA 
A)  Chlorophyll 
B)  Plasma membrane 
C)  Lipid synthesis 
D)  Ribosomes 
E)  DNA

Question 18

Membrane proteins are synthesized on ribosomes that are located

Accepted Answer

A)  in the cytoplasm. 
B)  on the rough endoplasmic reticulum. 
C)  on the smooth endoplasmic reticulum. 
D)  on the Golgi apparatus. 
E)  in the nucleus. 
A)  in the cytoplasm. 
B)  on the rough endoplasmic reticulum. 
C)  on the smooth endoplasmic reticulum. 
D)  on the Golgi apparatus. 
E)  in the nucleus.

Question 19

A cell from a wheat plant contains all of the following EXCEPT a

Accepted Answer

A)  chloroplast. 
B)  cytoskeleton. 
C)  cell wall. 
D)  mitochondrion. 
E)  flagellum. 
A)  chloroplast. 
B)  cytoskeleton. 
C)  cell wall. 
D)  mitochondrion. 
E)  flagellum.

Question 20

Which of the following is a FALSE statement about prokaryotes?

Accepted Answer

A)  Prokaryotic cells contain ribosomes. 
B)  Prokaryotes are so small that they can be seen only with a high-power electron microscope. 
C)  Prokaryotes may contain extra genes in plasmids. 
D)  Prokaryotes have a plasma membrane, similar to that of eukaryotes. 
A)  Prokaryotic cells contain ribosomes. 
B)  Prokaryotes are so small that they can be seen only with a high-power electron microscope. 
C)  Prokaryotes may contain extra genes in plasmids. 
D)  Prokaryotes have a plasma membrane, similar to that of eukaryotes.

Exam 4: Cell Structure and Function

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

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?

Both prokaryotic and eukaryotic cells possess

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

RNA carries information for protein synthesis from the DNA in the nucleus to the ribosomes in the cytoplasm. To get from the nucleus to the cytoplasm, RNA must pass through a__________ in the nuclear membrane.

The major histocompatibility complex (MHC) is an example of a(n)

Which of the following is so small, it is visible only with an electron microscope?

All of the following are dependent on cilia EXCEPT the

Cells that have a nucleus are referred to as__________ cells; those that lack a membrane-bound nucleus are called__________ cells.

The Golgi apparatus packages materials into__________ for transport or export.

Describe the main functions of the plasma membrane.

A particular cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a(n)__________ cell.

Briefly describe the similarities and differences between cilia and flagella.

Which cellular organelle packages enzymes and forms lysosomes?

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

Which of the following is associated with rough ER?

Membrane proteins are synthesized on ribosomes that are located

A cell from a wheat plant contains all of the following EXCEPT a

Which of the following is a FALSE statement about prokaryotes?

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

Filters

Cells that have a nucleus are referred to as cells; those that lack a membrane-bound nucleus are called cells.