Question 1

Which of the following statements about lysosomes is true?

Accepted Answer

A)  They are the sites where autophagy occurs. 
B)  They provide turgor in plant cells. 
C)  They may contain anthocyanins that aid in pollination. 
D)  They are found only in plants. 
E)  They may have arisen through endosymbiosis. 
A)  They are the sites where autophagy occurs. 
B)  They provide turgor in plant cells. 
C)  They may contain anthocyanins that aid in pollination. 
D)  They are found only in plants. 
E)  They may have arisen through endosymbiosis. A

Question 2

The DNA of a chloroplast is located in the

Accepted Answer

A)  intermembrane space. 
B)  matrix. 
C)  cristae. 
D)  stroma. 
E)  granum. 
A)  intermembrane space. 
B)  matrix. 
C)  cristae. 
D)  stroma. 
E)  granum. D

Question 3

Which of the following structures is involved with the movement of organelles within a cell?

Accepted Answer

A)  Golgi apparatus 
B)  Endoplasmic reticulum 
C)  Mitochondrion 
D)  Microtubules 
E)  Intermediate filaments 
A)  Golgi apparatus 
B)  Endoplasmic reticulum 
C)  Mitochondrion 
D)  Microtubules 
E)  Intermediate filaments D

Question 4

Ribosomes are the structures in which

Accepted Answer

A)  chemical energy is stored in the form of ATP. 
B)  cell division is controlled. 
C)  genetic information is used to make proteins. 
D)  sunlight energy is converted into chemical energy. 
E)  new organelles are made. 
A)  chemical energy is stored in the form of ATP. 
B)  cell division is controlled. 
C)  genetic information is used to make proteins. 
D)  sunlight energy is converted into chemical energy. 
E)  new organelles are made.

Question 5

When you cut an orange in half, you _______ the surface area-to-volume ratio.

Accepted Answer

The answer of When you cut an orange in half,...

Question 6

The organelles that contain their own DNA are all enclosed in double membranes. Relate this observation to the endosymbiotic theory.

Accepted Answer

The observation that organelles containi

Question 7

Which of the following is (are) found in prokaryotic cells?

Accepted Answer

A)  Mitochondria 
B)  Chloroplasts 
C)  Nuclear membrane 
D)  Ribosomes 
E)  Endoplasmic reticulum 
A)  Mitochondria 
B)  Chloroplasts 
C)  Nuclear membrane 
D)  Ribosomes 
E)  Endoplasmic reticulum

Question 8

Which of the following is not a function of the plasma membrane of eukaryotes?

Accepted Answer

A)  Perceiving chemical signals 
B)  Making ATP 
C)  Adhering to other cells 
D)  Ion homeostasis 
E)  Selective uptake 
A)  Perceiving chemical signals 
B)  Making ATP 
C)  Adhering to other cells 
D)  Ion homeostasis 
E)  Selective uptake

Question 9

The organelle shown below is found in all cells but is most numerous in cells requiring a large amount of energy (e.g., liver cells). What is the name of this organelle?

Accepted Answer

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

Question 10

Which of the following proteins powers both the movement of cilia and vesicles within a cell?

Accepted Answer

A)  Myosin 
B)  Actin 
C)  Keratin 
D)  Dynein 
E)  Kinesin 
A)  Myosin 
B)  Actin 
C)  Keratin 
D)  Dynein 
E)  Kinesin

Question 11

Some bacteria are not detected by the human immune system because they possess an outer layer of slime known as a _______.

Accepted Answer

The answer of Some bacteria are not detected by the...

Question 12

Explain how microtubules and dynein function to make cilia and flagella move.

Accepted Answer

Dynein molecules bind to pairs of microt

Question 13

Some organelles in eukaryotic cells are thought to have

Accepted Answer

A)  originated from extracellular symbiotic relationships. 
B)  their own endoplasmic reticulum. 
C)  their own mitochondria. 
D)  originated from endosymbiotic relationships. 
E)  the ability to live free from the host cell. 
A)  originated from extracellular symbiotic relationships. 
B)  their own endoplasmic reticulum. 
C)  their own mitochondria. 
D)  originated from endosymbiotic relationships. 
E)  the ability to live free from the host cell.

Question 14

RNA is able to carry information for protein synthesis from the DNA in the nucleus to the ribosomes in the cytoplasm by passing through small perforations in the nuclear membrane called _______.

Accepted Answer

The answer of RNA is able to carry information for...

Question 15

The rough ER is the portion of the ER that

Accepted Answer

A)  lacks ribosomes. 
B)  is the oldest and was once the smooth ER. 
C)  has ribosomes attached to it. 
D)  is connected to the Golgi apparatus. 
E)  is the site of steroid synthesis. 
A)  lacks ribosomes. 
B)  is the oldest and was once the smooth ER. 
C)  has ribosomes attached to it. 
D)  is connected to the Golgi apparatus. 
E)  is the site of steroid synthesis.

Question 16

An organelle consisting of a series of flattened sacks stacked somewhat like pancakes is the

Accepted Answer

A)  mitochondrion. 
B)  chloroplast. 
C)  Golgi apparatus. 
D)  rough endoplasmic reticulum. 
E)  flagellum. 
A)  mitochondrion. 
B)  chloroplast. 
C)  Golgi apparatus. 
D)  rough endoplasmic reticulum. 
E)  flagellum.

Question 17

Starch molecules are stored inside

Accepted Answer

A)  chromoplasts. 
B)  granularplasts. 
C)  chloroplasts. 
D)  potatoplasts. 
E)  leucoplasts. 
A)  chromoplasts. 
B)  granularplasts. 
C)  chloroplasts. 
D)  potatoplasts. 
E)  leucoplasts.

Question 18

What is the primary function of a cell membrane? What characteristics of membranes allow them to contribute to metabolic activity?

Accepted Answer

A cell membrane exists to form an inside

Question 19

Which of the following statements best describes ribosomes?

Accepted Answer

A)  Ribosomes guide protein synthesis. 
B)  Ribosomes are found only in the nucleus or on the RER. 
C)  There are no ribosomes in the mitochondria. 
D)  Ribosomes are the site of photosynthesis. 
E)  All of the above 
A)  Ribosomes guide protein synthesis. 
B)  Ribosomes are found only in the nucleus or on the RER. 
C)  There are no ribosomes in the mitochondria. 
D)  Ribosomes are the site of photosynthesis. 
E)  All of the above

Question 20

Though science fiction has produced stories like "The Blob," we do not see very many large single-celled organisms. Which of the following tends to limit cell size?

Accepted Answer

A)  The difficulty in maintaining a continuous large membrane 
B)  The difficulty of reproduction in a large cell 
C)  Surface area-to-volume ratios 
D)  All of the above 
E)  None of the above 
A)  The difficulty in maintaining a continuous large membrane 
B)  The difficulty of reproduction in a large cell 
C)  Surface area-to-volume ratios 
D)  All of the above 
E)  None of the above

Exam 5: Cells: the Working Units of Life

Which of the following statements about lysosomes is true?

The DNA of a chloroplast is located in the

Which of the following structures is involved with the movement of organelles within a cell?

Ribosomes are the structures in which

When you cut an orange in half, you _______ the surface area-to-volume ratio.

The organelles that contain their own DNA are all enclosed in double membranes. Relate this observation to the endosymbiotic theory.

Which of the following is (are) found in prokaryotic cells?

Which of the following is not a function of the plasma membrane of eukaryotes?

The organelle shown below is found in all cells but is most numerous in cells requiring a large amount of energy (e.g., liver cells). What is the name of this organelle?

Which of the following proteins powers both the movement of cilia and vesicles within a cell?

Some bacteria are not detected by the human immune system because they possess an outer layer of slime known as a _______.

Explain how microtubules and dynein function to make cilia and flagella move.

Some organelles in eukaryotic cells are thought to have

RNA is able to carry information for protein synthesis from the DNA in the nucleus to the ribosomes in the cytoplasm by passing through small perforations in the nuclear membrane called _______.

The rough ER is the portion of the ER that

An organelle consisting of a series of flattened sacks stacked somewhat like pancakes is the

Starch molecules are stored inside

What is the primary function of a cell membrane? What characteristics of membranes allow them to contribute to metabolic activity?

Which of the following statements best describes ribosomes?

Though science fiction has produced stories like "The Blob," we do not see very many large single-celled organisms. Which of the following tends to limit cell size?

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

Community Ecology

Ecosystems and Global Ecology

Conservation Biology

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