Question 1

Tay-Sachs disease is a neurological disorder in which a defective enzyme prohibits the breakdown of phospholipids called gangliosides.Where would gangliosides accumulate?

Accepted Answer

A) Cytoplasm 
B) Cell wall 
C) Cytoplasm and cell wall 
D) Membranes 
E) Membranes and cell wall 
A) Cytoplasm 
B) Cell wall 
C) Cytoplasm and cell wall 
D) Membranes 
E) Membranes and cell wall D

Question 2

All living cells have a cell wall.

Accepted Answer

A) True 
 B)False  False

Question 3

The Woese system of classification consists of a taxonomic grouping called the domain.

Accepted Answer

A) True 
 B)False  True

Question 4

Most living cells are small in size because they need a small ratio of surface area to volume.

Accepted Answer

A) True 
 B)False

Question 5

A structure found in prokaryotic cells,plant cells,and animal cells is a:

Accepted Answer

A) Cell wall 
B) Chloroplast 
C) Ribosome 
D) Mitochondria 
E) Cilium 
A) Cell wall 
B) Chloroplast 
C) Ribosome 
D) Mitochondria 
E) Cilium

Question 6

Cilia are not:

Accepted Answer

A) Found on prokaryotic cells 
B) Found on eukaryotic cells 
C) Used for movement 
D) Short appendages 
E) Composed of microtubules 
A) Found on prokaryotic cells 
B) Found on eukaryotic cells 
C) Used for movement 
D) Short appendages 
E) Composed of microtubules

Question 7

The cell wall of bacteria:

Accepted Answer

A) Helps prevent the cell from bursting 
B) Protects the cell 
C) All are correct 
D) Contains peptidoglycan 
E) Gives the bacterium a distinctive shape 
A) Helps prevent the cell from bursting 
B) Protects the cell 
C) All are correct 
D) Contains peptidoglycan 
E) Gives the bacterium a distinctive shape

Question 8

The original three tenets of the cell theory are:

Accepted Answer

A) All organisms have DNA, DNA is the fundamental unit of life and all cells come from preexisting cells 
B) All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells come from preexisting cells 
C) All organisms have DNA, all organisms are made of cells and all cells produce proteins 
D) All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells have a nucleus 
E) All organisms are made of one or more cells, all cells contain DNA and all cells come from preexisting cells 
A) All organisms have DNA, DNA is the fundamental unit of life and all cells come from preexisting cells 
B) All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells come from preexisting cells 
C) All organisms have DNA, all organisms are made of cells and all cells produce proteins 
D) All organisms are made of one or more cells, the cell is the fundamental unit of life and all cells have a nucleus 
E) All organisms are made of one or more cells, all cells contain DNA and all cells come from preexisting cells

Question 9

A eukaryotic cell:

Accepted Answer

A) Has a cell wall with peptidoglycan 
B) Is usually smaller than a prokaryotic cell 
C) Does not have membrane-bounded organelles 
D) Has membrane-bounded organelles 
E) Does not usually have a nucleus 
A) Has a cell wall with peptidoglycan 
B) Is usually smaller than a prokaryotic cell 
C) Does not have membrane-bounded organelles 
D) Has membrane-bounded organelles 
E) Does not usually have a nucleus

Question 10

Endosymbiosis is a theory based on the resemblance of chloroplasts and ribosomes to bacteria.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following are cellular digestion centers?

Accepted Answer

A) Peroxisomes and ribosomes 
B) Lysosomes and peroxisomes 
C) Ribosomes and chloroplasts 
D) Chloroplasts and ribosomes 
E) Lysosomes and Golgi apparatus 
A) Peroxisomes and ribosomes 
B) Lysosomes and peroxisomes 
C) Ribosomes and chloroplasts 
D) Chloroplasts and ribosomes 
E) Lysosomes and Golgi apparatus

Question 12

A cell membrane is not:

Accepted Answer

A) A fluid structure 
B) A rigid structure 
C) A mosaic structure 
D) A bilayered structure 
E) Composed of phospholipid molecules 
A) A fluid structure 
B) A rigid structure 
C) A mosaic structure 
D) A bilayered structure 
E) Composed of phospholipid molecules

Question 13

How did scientists detect the location of MreB and Mbl in bacterial cells?

Accepted Answer

A) With an electron microscope 
B) With a light microscope 
C) With fluorescently tagged actin 
D) With fluorescently tagged antibodies 
E) With fluorescently tagged tubulin 
A) With an electron microscope 
B) With a light microscope 
C) With fluorescently tagged actin 
D) With fluorescently tagged antibodies 
E) With fluorescently tagged tubulin

Question 14

You are working on a forensics team and collect some cells from a crime scene.The cells have a cell wall made up of cellulose.This sample most likely came from:

Accepted Answer

A) An animal 
B) A bacteria 
C) A plant 
D) A fungi 
E) All could be correct 
A) An animal 
B) A bacteria 
C) A plant 
D) A fungi 
E) All could be correct

Question 15

The reason that mitochondrial DNA in most mammals is inherited from the mother only is because a sperm cell contains no mitochondria.

Accepted Answer

A) True 
 B)False

Question 16

What is the role of actin in eukaryotic cells?

Accepted Answer

A) It is part of the cytoskeleton 
B) It forms the spindle that pulls chromosomes apart 
C) It forms the centromere that holds sister chromatids together 
D) It is necessary for the DNA to replicate 
E) It is necessary for the nucleosome to form in condensing chromosomes 
A) It is part of the cytoskeleton 
B) It forms the spindle that pulls chromosomes apart 
C) It forms the centromere that holds sister chromatids together 
D) It is necessary for the DNA to replicate 
E) It is necessary for the nucleosome to form in condensing chromosomes

Question 17

The scientist (scientists)given credit for first using the term cell to describe the basic unit of life is (are):

Accepted Answer

A) Mathias Schleiden and Theodore Schwann 
B) Robert Hooke 
C) Louis Pasteur 
D) Rudolf Virchow 
E) Antony van Leeuwenhoek 
A) Mathias Schleiden and Theodore Schwann 
B) Robert Hooke 
C) Louis Pasteur 
D) Rudolf Virchow 
E) Antony van Leeuwenhoek

Question 18

A micrometer is:

Accepted Answer

A) 0.000001 of a meter 
B) 0.1 of a meter 
C) 0.01 of a meter 
D) 0.001 of a meter 
E) 0.00001 of a meter 
A) 0.000001 of a meter 
B) 0.1 of a meter 
C) 0.01 of a meter 
D) 0.001 of a meter 
E) 0.00001 of a meter

Question 19

An organelle found in plant cells and some members of the kingdom Protista but not in animal cells is:

Accepted Answer

A) A centriole 
B) A ribosome 
C) A cell membrane 
D) A lysosome 
E) A chloroplast 
A) A centriole 
B) A ribosome 
C) A cell membrane 
D) A lysosome 
E) A chloroplast

Question 20

Most living cells are small in size because they need a large ratio of surface area to volume.

Accepted Answer

A) True 
 B)False

Exam 3: The Dynamic Cell

Tay-Sachs disease is a neurological disorder in which a defective enzyme prohibits the breakdown of phospholipids called gangliosides.Where would gangliosides accumulate?

All living cells have a cell wall.

The Woese system of classification consists of a taxonomic grouping called the domain.

Most living cells are small in size because they need a small ratio of surface area to volume.

A structure found in prokaryotic cells,plant cells,and animal cells is a:

Cilia are not:

The cell wall of bacteria:

The original three tenets of the cell theory are:

A eukaryotic cell:

Endosymbiosis is a theory based on the resemblance of chloroplasts and ribosomes to bacteria.

Which of the following are cellular digestion centers?

A cell membrane is not:

How did scientists detect the location of MreB and Mbl in bacterial cells?

You are working on a forensics team and collect some cells from a crime scene.The cells have a cell wall made up of cellulose.This sample most likely came from:

The reason that mitochondrial DNA in most mammals is inherited from the mother only is because a sperm cell contains no mitochondria.

What is the role of actin in eukaryotic cells?

The scientist (scientists)given credit for first using the term cell to describe the basic unit of life is (are):

A micrometer is:

An organelle found in plant cells and some members of the kingdom Protista but not in animal cells is:

Most living cells are small in size because they need a large ratio of surface area to volume.

What Is Life

The Chemistry of Life

The Energy of Life

Photosynthesis

How Cells Release Energy

Dna Structure and Gene Function

Dna Replication, mitosis and the Cell Cycle

Sexual Reproduction and Meiosis

Patterns of Inheritance

The Forces of Evolutionary Change

Evidence for Evolution

Speciation and Extinction

The Origin and History of Life

Viruses

Bacteria and Archaea

Protists

Plants

Fungi

Animals

Plant Form and Function

Plant Nutrition and Transport

Reproduction and Development of Flowering Plants

Animal Tissues, organ Systems and Homeostasis

The Nervous System

The Senses Content

The Endocrine System

The Musculoskeletal System

The Circulatory System

The Respiratory System

Digestion and Animal Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Populations

Communities and Ecosystems

The Biosphere

Conserving Biodiversity

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