Question 1

Organisms included in the diverse domain Eukarya include

Accepted Answer

A)  animals, plants, fungi, and protists. 
B)  bacteria, fungi, and animals. 
C)  animals, plants, and bacteria. 
D)  Protista, Monera, and Animalia. 
E)  fungi, protists, and archaeans. 
A)  animals, plants, fungi, and protists. 
B)  bacteria, fungi, and animals. 
C)  animals, plants, and bacteria. 
D)  Protista, Monera, and Animalia. 
E)  fungi, protists, and archaeans.

Question 2

You have macrophage white blood cells that can respond to injury and infection by moving to the site of the wound.They can ingest infectious bacteria or virus,and digest the organic molecules of what they take in.The digestion organelle they have is the

Accepted Answer

A)  golgi apparatus. 
B)  ribosome. 
C)  peroxisome. 
D)  lysosome. 
A)  golgi apparatus. 
B)  ribosome. 
C)  peroxisome. 
D)  lysosome.

Question 3

All living cells have a cell wall.

Accepted Answer

A) True 
 B)False

Question 4

How many micrometers (μm)fit in a meter?

Accepted Answer

A)  1,000,000 
B)  1,000 
C)  100,000 
D)  100 
E)  10 
A)  1,000,000 
B)  1,000 
C)  100,000 
D)  100 
E)  10

Question 5

Cilia in eukaryote cells

Accepted Answer

A)  can move in unison to establish a current to move objects, as with human eggs through the reproductive tract. 
B)  can assist digestive tract cells in absorbing food molecules. 
C)  can be used in eukaryotes to do any of these functions. 
D)  can beat in unison to help a single cell, such as a protist, to swim. 
E)  can add surface area for senses such as taste, smell, balance, hearing. 
A)  can move in unison to establish a current to move objects, as with human eggs through the reproductive tract. 
B)  can assist digestive tract cells in absorbing food molecules. 
C)  can be used in eukaryotes to do any of these functions. 
D)  can beat in unison to help a single cell, such as a protist, to swim. 
E)  can add surface area for senses such as taste, smell, balance, hearing.

Question 6

Which of these is an incorrect comparison between flagella and cilia?

Accepted Answer

A)  Flagella have essentially the same internal structure of cytoskeleton proteins as cilia. 
B)  Flagella are used for propulsion, while cilia are used to attach cells to other cells or surfaces. 
C)  Flagella are found in all three domains of organisms, while cilia are found only in Eukarya. 
D)  Flagella are longer structures than cilia. 
A)  Flagella have essentially the same internal structure of cytoskeleton proteins as cilia. 
B)  Flagella are used for propulsion, while cilia are used to attach cells to other cells or surfaces. 
C)  Flagella are found in all three domains of organisms, while cilia are found only in Eukarya. 
D)  Flagella are longer structures than cilia.

Question 7

A prokaryotic cell

Accepted Answer

A)  has membrane-bounded organelles. 
B)  has a nucleus. 
C)  has a cell wall made of chitin. 
D)  does not have a nucleus. 
E)  is at least ten micrometers in diameter. 
A)  has membrane-bounded organelles. 
B)  has a nucleus. 
C)  has a cell wall made of chitin. 
D)  does not have a nucleus. 
E)  is at least ten micrometers in diameter.

Question 8

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

Accepted Answer

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

Question 9

The Golgi apparatus is not

Accepted Answer

A)  a processing center. 
B)  involved with secretion of cellular substances. 
C)  studded with ribosomes. 
D)  a stack of membrane-enclosed sacs. 
E)  an organelle. 
A)  a processing center. 
B)  involved with secretion of cellular substances. 
C)  studded with ribosomes. 
D)  a stack of membrane-enclosed sacs. 
E)  an organelle.

Question 10

This type of cell connection,lined by the cell membranes and allowing transport of molecules between cells,is the

Accepted Answer

A)  plasmodesma. 
B)  anchoring junction. 
C)  gap junction. 
D)  tight junction. 
A)  plasmodesma. 
B)  anchoring junction. 
C)  gap junction. 
D)  tight junction.

Question 11

Enzymes that breakdown organic molecules in a cell,by hydrolysis,are typically found in which organelle?

Accepted Answer

A)  lysosome 
B)  cytoplasm 
C)  endoplasmic reticulum 
D)  mitochondrion 
E)  Golgi 
A)  lysosome 
B)  cytoplasm 
C)  endoplasmic reticulum 
D)  mitochondrion 
E)  Golgi

Question 12

Nuclear pores have proteins that open and close,controlling flow of cell solutions and molecules in and out of the nuclear envelope (a double-thick membrane).In this,nuclear pores are similar in structure and function to

Accepted Answer

A)  gap junctions. 
B)  vacuoles. 
C)  cilia. 
D)  cytoskeleton microtubules. 
A)  gap junctions. 
B)  vacuoles. 
C)  cilia. 
D)  cytoskeleton microtubules.

Question 13

What is the role of actin in eukaryotic cells?

Accepted Answer

A)  It provides strength in stretching and compression of a cell. 
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 forms the structures that inside flagella that allow the bending motion for cell motion (swimming). 
A)  It provides strength in stretching and compression of a cell. 
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 forms the structures that inside flagella that allow the bending motion for cell motion (swimming).

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

One reason viruses should not be considered living organisms is because they do not consist of one or more cells.

Accepted Answer

A)  contains peptidoglycan. 
B)  protects the cell. 
C)  gives the bacterium a distinctive shape 
D)  All of these answer choices are correct. 
E)  helps prevent the cell from bursting. 
A)  contains peptidoglycan. 
B)  protects the cell. 
C)  gives the bacterium a distinctive shape 
D)  All of these answer choices are correct. 
E)  helps prevent the cell from bursting.

Question 16

The scientist(s)given credit for disproving the theory of spontaneous generation is (are)

Accepted Answer

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

Question 17

Between their specialized functions,the rough and smooth endoplasmic reticulum do not

Accepted Answer

A)  produce lipids. 
B)  form vesicles for transport to the Golgi apparatus. 
C)  produce mRNA. 
D)  detoxify poisons. 
E)  produce proteins. 
A)  produce lipids. 
B)  form vesicles for transport to the Golgi apparatus. 
C)  produce mRNA. 
D)  detoxify poisons. 
E)  produce proteins.

Question 18

A structure found in cells of all three domains,prokaryotes and eukaryotes,is the

Accepted Answer

A)  ribosome. 
B)  chloroplast. 
C)  cilium. 
D)  mitochondria. 
E)  cell wall. 
A)  ribosome. 
B)  chloroplast. 
C)  cilium. 
D)  mitochondria. 
E)  cell wall.

Question 19

When phospholipids are mixed with water their ____ interact with water and their ____ are repelled,forming a lipid bilayer.

Accepted Answer

A)  hydrophobic tails; hydrophilic heads 
B)  hydrophilic heads; hydrophobic tails 
C)  hydrophobic heads; hydrophilic tails 
D)  hydrophilic tails; hydrophobic heads 
A)  hydrophobic tails; hydrophilic heads 
B)  hydrophilic heads; hydrophobic tails 
C)  hydrophobic heads; hydrophilic tails 
D)  hydrophilic tails; hydrophobic heads

Question 20

Identify the largest distinction between the theory of spontaneous generation and the cell theory.

Accepted Answer

A)  Spontaneous generation can be observed with the microscope, while cell theory is newer and has not yet been proven. 
B)  Spontaneous generation only happens with animalcules and germs, while cell theory applies to other, more complex organisms. 
C)  Spontaneous generation proposes life can form from available molecule components, while cell theory explains cell reproduction functions. 
D)  Spontaneous generation is found in organisms that don't have cells, while cell theory happens in organisms that do have cells. 
A)  Spontaneous generation can be observed with the microscope, while cell theory is newer and has not yet been proven. 
B)  Spontaneous generation only happens with animalcules and germs, while cell theory applies to other, more complex organisms. 
C)  Spontaneous generation proposes life can form from available molecule components, while cell theory explains cell reproduction functions. 
D)  Spontaneous generation is found in organisms that don't have cells, while cell theory happens in organisms that do have cells.

Exam 3: Cell Structure and Function

Organisms included in the diverse domain Eukarya include

You have macrophage white blood cells that can respond to injury and infection by moving to the site of the wound.They can ingest infectious bacteria or virus,and digest the organic molecules of what they take in.The digestion organelle they have is the

All living cells have a cell wall.

How many micrometers (μm)fit in a meter?

Cilia in eukaryote cells

Which of these is an incorrect comparison between flagella and cilia?

A prokaryotic cell

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

The Golgi apparatus is not

This type of cell connection,lined by the cell membranes and allowing transport of molecules between cells,is the

Enzymes that breakdown organic molecules in a cell,by hydrolysis,are typically found in which organelle?

Nuclear pores have proteins that open and close,controlling flow of cell solutions and molecules in and out of the nuclear envelope (a double-thick membrane).In this,nuclear pores are similar in structure and function to

What is the role of actin in eukaryotic cells?

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

One reason viruses should not be considered living organisms is because they do not consist of one or more cells.

The scientist(s)given credit for disproving the theory of spontaneous generation is (are)

Between their specialized functions,the rough and smooth endoplasmic reticulum do not

A structure found in cells of all three domains,prokaryotes and eukaryotes,is the

When phospholipids are mixed with water their ____ interact with water and their ____ are repelled,forming a lipid bilayer.

Identify the largest distinction between the theory of spontaneous generation and the cell theory.

The Scientific Study of 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

DNA Technology

The Forces of Evolutionary Change

Evidence of 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 and Organ Systems

The Nervous System

The Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory System

The Respiratory System

Digestion and Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Population Ecology

Communities and Ecosystems

Biomes

Preserving Biodiversity

Filters

When phospholipids are mixed with water their interact with water and their are repelled,forming a lipid bilayer.