Question 1

Labeling. Label the parts of the model animal cell.
  
-Nuclear envelope

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

The space between the two membranes of the mitochondrion accumulates ____.

Accepted Answer

A)  proteins 
B)  H+ 
C)  carbohydrates 
D)  H2O2 
E)  CO2 
A)  proteins 
B)  H+ 
C)  carbohydrates 
D)  H2O2 
E)  CO2

Question 4

A small circle of DNA in some bacteria and archaea is known as ______.

Accepted Answer

A)  cytosol 
B)  ribosome 
C)  plasmid 
D)  pilus 
E)  biofilm 
A)  cytosol 
B)  ribosome 
C)  plasmid 
D)  pilus 
E)  biofilm

Question 5

Figure 4.16
  
-What is a main function of the structure in the accompanying figure labeled A?

Accepted Answer

A)  It controls cell shape. 
B)  It separates DNA during cell division. 
C)  It helps nerve cells lengthen. 
D)  It is found in hair. 
E)  It helps regulate DNA replication. 
A)  It controls cell shape. 
B)  It separates DNA during cell division. 
C)  It helps nerve cells lengthen. 
D)  It is found in hair. 
E)  It helps regulate DNA replication.

Question 6

Classification. The following items are structures found in plant cells. Respond to the statements below with reference to these structures.
-Abundant in the tubers of root crops such as potatoes

Accepted Answer

A) Amyloplast 
B) Central vacuole 
C) Plasmodesmata 
D) Cell wall 
E) Chromoplasts 
A) Amyloplast 
B) Central vacuole 
C) Plasmodesmata 
D) Cell wall 
E) Chromoplasts

Question 7

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements.
-These are the most stable cytoskeletal elements.

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 8

Choose the most appropriate description for each item.
-Central vacuoles

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

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

Accepted Answer

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

Question 10

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles.
-The packaging of secretory proteins occurs in association with this structure.

Accepted Answer

A) Ribosome 
B) Mitochondrion 
C) Lysosome 
D) Golgi body 
E) Endoplasmic reticulum 
A) Ribosome 
B) Mitochondrion 
C) Lysosome 
D) Golgi body 
E) Endoplasmic reticulum

Question 11

Classification. The following items are found in the extracellular matrix of plant cells. Respond to the statements below with reference to these structures.
-Prevents water loss

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 12

Prokaryotes ____.

Accepted Answer

A)  have a nucleus 
B)  have complex, usually membrane-bound organelles 
C)  always have cell walls 
D)  are either bacteria or archaea 
E)  always have flagella 
A)  have a nucleus 
B)  have complex, usually membrane-bound organelles 
C)  always have cell walls 
D)  are either bacteria or archaea 
E)  always have flagella

Question 13

A number of ____________________ cover the rough ER.

Accepted Answer

The answer of A number of ____________________ cover the rough...

Question 14

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles.
-Aerobic respiration occurs in this organelle.

Accepted Answer

A) Ribosome 
B) Mitochondrion 
C) Lysosome 
D) Golgi body 
E) Endoplasmic reticulum 
A) Ribosome 
B) Mitochondrion 
C) Lysosome 
D) Golgi body 
E) Endoplasmic reticulum

Question 15

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles.
-This organelle comprises a smooth section and a rough section.

Accepted Answer

A) Ribosome 
B) Mitochondrion 
C) Lysosome 
D) Golgi body 
E) Endoplasmic reticulum 
A) Ribosome 
B) Mitochondrion 
C) Lysosome 
D) Golgi body 
E) Endoplasmic reticulum

Question 16

Which item below is unique to eukaryotic cells?

Accepted Answer

A)  Cell wall 
B)  Plasma membrane 
C)  Nucleoid 
D)  Ribosomes 
E)  Vacuole 
A)  Cell wall 
B)  Plasma membrane 
C)  Nucleoid 
D)  Ribosomes 
E)  Vacuole

Question 17

Choose the most appropriate description for each item.
-RNA molecules

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

Figure 4.9
  
-The part labeled "C" in the accompanying figure is ____.

Accepted Answer

A)  a nucleus 
B)  chromatin 
C)  the nuclear membrane 
D)  a vacuole 
E)  a mitochondrion 
A)  a nucleus 
B)  chromatin 
C)  the nuclear membrane 
D)  a vacuole 
E)  a mitochondrion

Question 19

Which cell organelle is responsible for the breakdown of fatty acids?

Accepted Answer

A)  Golgi body 
B)  Ribosome 
C)  Mitochondrion 
D)  Lysosome 
E)  Peroxisome 
A)  Golgi body 
B)  Ribosome 
C)  Mitochondrion 
D)  Lysosome 
E)  Peroxisome

Question 20

Figure 4.9
  
-The part labeled "B" in the accompanying figure is ____.

Accepted Answer

A)  a nucleus 
B)  a Golgi body 
C)  endoplasmic reticulum 
D)  a vacuole 
E)  a nucleoid 
A)  a nucleus 
B)  a Golgi body 
C)  endoplasmic reticulum 
D)  a vacuole 
E)  a nucleoid

Exam 4: Cell Structure

Labeling. Label the parts of the model animal cell. -Nuclear envelope

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

The space between the two membranes of the mitochondrion accumulates ____.

A small circle of DNA in some bacteria and archaea is known as ______.

Figure 4.16 -What is a main function of the structure in the accompanying figure labeled A?

Classification. The following items are structures found in plant cells. Respond to the statements below with reference to these structures. -Abundant in the tubers of root crops such as potatoes

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements. -These are the most stable cytoskeletal elements.

Choose the most appropriate description for each item. -Central vacuoles

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

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles. -The packaging of secretory proteins occurs in association with this structure.

Classification. The following items are found in the extracellular matrix of plant cells. Respond to the statements below with reference to these structures. -Prevents water loss

Prokaryotes ____.

A number of ____________________ cover the rough ER.

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles. -Aerobic respiration occurs in this organelle.

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles. -This organelle comprises a smooth section and a rough section.

Which item below is unique to eukaryotic cells?

Choose the most appropriate description for each item. -RNA molecules

Figure 4.9 -The part labeled "C" in the accompanying figure is ____.

Which cell organelle is responsible for the breakdown of fatty acids?

Figure 4.9 -The part labeled "B" in the accompanying figure 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