Question 1

Figure 4.7
  
-What is the function of the structure labeled G in the accompanying figure?

Accepted Answer

A)  Attachment 
B)  Locomotion 
C)  Protein-making 
D)  Breathing 
E)  Communication 
A)  Attachment 
B)  Locomotion 
C)  Protein-making 
D)  Breathing 
E)  Communication

Question 2

The cell wall ____.

Accepted Answer

A)  provides physical support for plant cells 
B)  controls the transport of materials out of the cell 
C)  replaces the plasma membrane in plant cells 
D)  is found in all eukaryotes 
E)  prevents the transport of toxic substances into the plant cells 
A)  provides physical support for plant cells 
B)  controls the transport of materials out of the cell 
C)  replaces the plasma membrane in plant cells 
D)  is found in all eukaryotes 
E)  prevents the transport of toxic substances into the plant cells

Question 3

Which structure below is unique to organisms that harness solar energy to make sugar?

Accepted Answer

A)  Endoplasmic reticulum 
B)  Chloroplast 
C)  Plasma membrane 
D)  Chromosome 
E)  Nuclear envelope 
A)  Endoplasmic reticulum 
B)  Chloroplast 
C)  Plasma membrane 
D)  Chromosome 
E)  Nuclear envelope

Question 4

Labeling. Label the parts of the model animal cell.
  
-Microfilaments

Accepted Answer

The answer of Labeling. Label the parts of the model...

Question 5

Figure 4.7
  
-What is the structure labeled F in the accompanying figure?

Accepted Answer

A)  Cytoplasm 
B)  Nucleoid 
C)  Plasma membrane 
D)  Capsule 
E)  Pilus 
A)  Cytoplasm 
B)  Nucleoid 
C)  Plasma membrane 
D)  Capsule 
E)  Pilus

Question 6

What is a function of plastids?

Accepted Answer

A)  Aerobic respiration 
B)  Environmental sensing 
C)  Breakdown of ATP 
D)  Storage 
E)  Waste removal 
A)  Aerobic respiration 
B)  Environmental sensing 
C)  Breakdown of ATP 
D)  Storage 
E)  Waste removal

Question 7

Labeling. Label the parts of the model animal cell.
  
-Golgi body

Accepted Answer

The answer of Labeling. Label the parts of the model...

Question 8

Choose the most appropriate description for each item.
-Ribosomes

Accepted Answer

A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch 
A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch

Question 9

Choose the most appropriate description for each item.
-Chloroplasts

Accepted Answer

A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch 
A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch

Question 10

Figure 4.23A
  
-The structures labeled B in the accompanying figure _____.

Accepted Answer

A)  prevents movement of materials between cells 
B)  strengthens tissues by connecting to cell cytoskeletal elements 
C)  allows the free passage of materials between cells 
D)  is found mostly in stomach tissue 
E)  is found in most tissues except heart muscle 
A)  prevents movement of materials between cells 
B)  strengthens tissues by connecting to cell cytoskeletal elements 
C)  allows the free passage of materials between cells 
D)  is found mostly in stomach tissue 
E)  is found in most tissues except heart muscle

Question 11

What is an organelle that pinches off portions of its membrane to form a transport vesicle?

Accepted Answer

A)  Mitochondrion 
B)  Chloroplast 
C)  Nucleolus 
D)  Golgi body 
E)  Peroxisome 
A)  Mitochondrion 
B)  Chloroplast 
C)  Nucleolus 
D)  Golgi body 
E)  Peroxisome

Question 12

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements.
-These temporary structures allow cells to engulf targets.

Accepted Answer

A) Microtubules 
B) Microfilaments 
C) Intermediate filaments 
D) Motor proteins 
E) Cilium
F)Flagellum
G)Pseudopods 
A) Microtubules 
B) Microfilaments 
C) Intermediate filaments 
D) Motor proteins 
E) Cilium
F)Flagellum
G)Pseudopods

Question 13

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements.
-This is a very visible structure in human sperm.

Accepted Answer

A) Microtubules 
B) Microfilaments 
C) Intermediate filaments 
D) Motor proteins 
E) Cilium
F)Flagellum
G)Pseudopods 
A) Microtubules 
B) Microfilaments 
C) Intermediate filaments 
D) Motor proteins 
E) Cilium
F)Flagellum
G)Pseudopods

Question 14

Who was the first person acknowledged to have seen living,moving cells by using a microscope?

Accepted Answer

A)  Robert Hooke 
B)  Robert Brown 
C)  Galileo Galilee 
D)  Rudolf Virchow 
E)  Anton van Leeuwenhoek 
A)  Robert Hooke 
B)  Robert Brown 
C)  Galileo Galilee 
D)  Rudolf Virchow 
E)  Anton van Leeuwenhoek

Question 15

Choose the most appropriate description for each item.
-Mitochondria

Accepted Answer

A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch 
A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch

Question 16

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements.
-These fine fibers function in contraction.

Accepted Answer

A) Microtubules 
B) Microfilaments 
C) Intermediate filaments 
D) Motor proteins 
E) Cilium
F)Flagellum
G)Pseudopods 
A) Microtubules 
B) Microfilaments 
C) Intermediate filaments 
D) Motor proteins 
E) Cilium
F)Flagellum
G)Pseudopods

Question 17

Choose the most appropriate description for each item.
-Microtubules

Accepted Answer

A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch 
A) Contain enzymes for intracellular digestion 
B) Primary cellular organelles where proteins are assembled 
C) Package cellular secretions for export 
D) Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide 
E) Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
F)Molecules that participate in protein synthesis
G)Store substances
H)Encode hereditary information
I)Help distribute chromosomes to the new cells during cell division
J)Convert light energy to chemical energy stored in the chemical bonds of glucose or starch

Question 18

Labeling. Label the parts of the model animal cell.
  
-Rough ER

Accepted Answer

The answer of Labeling. Label the parts of the model...

Question 19

Classification. The following items are found in the extracellular matrix of plant cells. Respond to the statements below with reference to these structures.
-Makes older stems stronger and more waterproof

Accepted Answer

A) Basement membrane 
B) Primary cell wall 
C) Pectin 
D) Lignin 
E) Cuticle 
A) Basement membrane 
B) Primary cell wall 
C) Pectin 
D) Lignin 
E) Cuticle

Question 20

One advantage of participating in a biofilm is ____________.

Accepted Answer

A)  the ability to move as a group. 
B)  the ability to share other members' toxin-degrading secretions. 
C)  increased competition for food. 
D)  the ability to break down neighbor's scaffolding for food. 
E)  the formation of a colonial organism. 
A)  the ability to move as a group. 
B)  the ability to share other members' toxin-degrading secretions. 
C)  increased competition for food. 
D)  the ability to break down neighbor's scaffolding for food. 
E)  the formation of a colonial organism.

Exam 4: Cell Structure

Figure 4.7 -What is the function of the structure labeled G in the accompanying figure?

The cell wall ____.

Which structure below is unique to organisms that harness solar energy to make sugar?

Labeling. Label the parts of the model animal cell. -Microfilaments

Figure 4.7 -What is the structure labeled F in the accompanying figure?

What is a function of plastids?

Labeling. Label the parts of the model animal cell. -Golgi body

Choose the most appropriate description for each item. -Ribosomes

Choose the most appropriate description for each item. -Chloroplasts

Figure 4.23A -The structures labeled B in the accompanying figure _____.

What is an organelle that pinches off portions of its membrane to form a transport vesicle?

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements. -These temporary structures allow cells to engulf targets.

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements. -This is a very visible structure in human sperm.

Who was the first person acknowledged to have seen living,moving cells by using a microscope?

Choose the most appropriate description for each item. -Mitochondria

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements. -These fine fibers function in contraction.

Choose the most appropriate description for each item. -Microtubules

Labeling. Label the parts of the model animal cell. -Rough ER

Classification. The following items are found in the extracellular matrix of plant cells. Respond to the statements below with reference to these structures. -Makes older stems stronger and more waterproof

One advantage of participating in a biofilm is ____________.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters