Question 1

In a certain group of people,males are more subject to respiratory infections and are sterile.The most likely explanation for this disease is malfunctioning

Accepted Answer

A)  lysosomes. 
B)  intermediate filaments. 
C)  actin filaments. 
D)  rough endoplasmic reticulum. 
E)  cilia and flagella. 
A)  lysosomes. 
B)  intermediate filaments. 
C)  actin filaments. 
D)  rough endoplasmic reticulum. 
E)  cilia and flagella. E

Question 2

Each time water in a cell freezes slowly,long sharp crystals spear through the membrane structures of the cell.The most reasonable explanation for the bad taste of meat that has "freezer burn" from repeated freezing is the destruction of

Accepted Answer

A)  the nuclear membrane, causing mixing of nucleoplasm and cytoplasm. 
B)  ribosomes, causing them to break into subunits. 
C)  lysosomes, and the resultant self-digestion. 
D)  rough endoplasmic reticulum causing the release of ribosomes. 
E)  the Golgi apparatus and vesicles. 
A)  the nuclear membrane, causing mixing of nucleoplasm and cytoplasm. 
B)  ribosomes, causing them to break into subunits. 
C)  lysosomes, and the resultant self-digestion. 
D)  rough endoplasmic reticulum causing the release of ribosomes. 
E)  the Golgi apparatus and vesicles. C

Question 3

Because mitochondria were once independently living prokaryotic cells,if removed from a eukaryotic cell they can survive independently.

Accepted Answer

A) True 
 B)False  False

Question 4

Ribosomes are composed of

Accepted Answer

A)  DNA and RNA. 
B)  DNA and protein. 
C)  only protein. 
D)  RNA and protein. 
E)  only DNA. 
A)  DNA and RNA. 
B)  DNA and protein. 
C)  only protein. 
D)  RNA and protein. 
E)  only DNA.

Question 5

The cell theory states:

Accepted Answer

A)  all organisms are composed of only one cell. 
B)  organelles are the basic living unit of structure and function of organisms. 
C)  all cells come only from other cells. 
D)  all organisms are composed of only one cell AND organelles are the basic living unit of structure and function of organisms. 
E)  all multicellular organisms are unicellular at some point in their life cycle. 
A)  all organisms are composed of only one cell. 
B)  organelles are the basic living unit of structure and function of organisms. 
C)  all cells come only from other cells. 
D)  all organisms are composed of only one cell AND organelles are the basic living unit of structure and function of organisms. 
E)  all multicellular organisms are unicellular at some point in their life cycle.

Question 6

Which of the following would be considered evidence that chloroplasts are involved in photosynthesis?

Accepted Answer

A)  Isolated chloroplasts give off oxygen when exposed to sunlight. 
B)  Plants that are green contain chloroplasts. 
C)  Both plants and algae have chloroplasts. 
D)  Plants have both chloroplasts and mitochondria. 
E)  Chloroplasts contain thylakoids which are stacked in structures called grana. 
A)  Isolated chloroplasts give off oxygen when exposed to sunlight. 
B)  Plants that are green contain chloroplasts. 
C)  Both plants and algae have chloroplasts. 
D)  Plants have both chloroplasts and mitochondria. 
E)  Chloroplasts contain thylakoids which are stacked in structures called grana.

Question 7

Cellular respiration is best associated with the

Accepted Answer

A)  Golgi apparatus. 
B)  ribosome. 
C)  mitochondrion. 
D)  chloroplast. 
E)  microtubule. 
A)  Golgi apparatus. 
B)  ribosome. 
C)  mitochondrion. 
D)  chloroplast. 
E)  microtubule.

Question 8

The Golgi apparatus directs its protein products to the correct location in the cell based on

Accepted Answer

A)  the specific molecule that is added and the molecule determines the destination in or out of the cell. 
B)  the DNA extending its long molecular helix to direct the protein through the Golgi apparatus and on to the final destination. 
C)  vesicles that constantly shuttle back-and-forth from the various cell destinations and these vesicles determine which protein in the Golgi apparatus to pick up and deliver. 
D)  proteins drifting away in all directions and are only used at the cell sites that need them. 
E)  how long it takes the vesicle to travel from the endoplasmic reticulum to the Golgi. 
A)  the specific molecule that is added and the molecule determines the destination in or out of the cell. 
B)  the DNA extending its long molecular helix to direct the protein through the Golgi apparatus and on to the final destination. 
C)  vesicles that constantly shuttle back-and-forth from the various cell destinations and these vesicles determine which protein in the Golgi apparatus to pick up and deliver. 
D)  proteins drifting away in all directions and are only used at the cell sites that need them. 
E)  how long it takes the vesicle to travel from the endoplasmic reticulum to the Golgi.

Question 9

If the mitochondrion is the result of endosymbiosis,what membrane of the mitochondrion represents the engulfing vesicle?

Accepted Answer

A)  the outer mitochondrial membrane 
B)  vacuole 
C)  cristae 
D)  thylakoid membrane 
E)  grana 
A)  the outer mitochondrial membrane 
B)  vacuole 
C)  cristae 
D)  thylakoid membrane 
E)  grana

Question 10

Antibiotics should be selectively toxic,that is,they should attack the infecting bacteria without harming you.Which of the following would be a good target for an antibiotic so it doesn't attack your cells?

Accepted Answer

A)  plasma membrane 
B)  DNA 
C)  ribosomes 
D)  cytoplasm 
E)  endoplasmic reticulum 
A)  plasma membrane 
B)  DNA 
C)  ribosomes 
D)  cytoplasm 
E)  endoplasmic reticulum

Question 11

Microtubules

Accepted Answer

A)  are composed mostly of lipid. 
B)  form a spindle that distributes chromosomes in an orderly manner. 
C)  may be associated with metabolism. 
D)  are found in the nucleus. 
E)  are composed of actin. 
A)  are composed mostly of lipid. 
B)  form a spindle that distributes chromosomes in an orderly manner. 
C)  may be associated with metabolism. 
D)  are found in the nucleus. 
E)  are composed of actin.

Question 12

During photosynthesis,solar energy is converted to chemical energy by the chloroplasts.The process is represented by:

Accepted Answer

A)  carbohydrate + oxygen $\rarr$ carbon dioxide + water + energy 
B)  carbohydrate + carbon dioxide $\rarr$ oxygen + water + energy 
C)  solar energy + oxygen + water $\rarr$ carbohydrate + oxygen 
D)  solar energy + carbon dioxide + water $\rarr$ carbohydrate + oxygen 
E)  solar energy $\rarr$ carbohydrate + oxygen 
A)  carbohydrate + oxygen $\rarr$ carbon dioxide + water + energy 
B)  carbohydrate + carbon dioxide $\rarr$ oxygen + water + energy 
C)  solar energy + oxygen + water $\rarr$ carbohydrate + oxygen 
D)  solar energy + carbon dioxide + water $\rarr$ carbohydrate + oxygen 
E)  solar energy $\rarr$ carbohydrate + oxygen

Question 13

A researcher samples the waters of the boiling hot springs in Yellowstone National Park.Under the microscope,she observes what appear to be living cells in the water.If these indeed are living cells,what type of cell would they most likely be?

Accepted Answer

A)  eukaryotic, animal 
B)  eukaryotic, plant 
C)  eukaryotic, fungi 
D)  prokaryotic, archaea 
E)  prokaryotic, bacteria 
A)  eukaryotic, animal 
B)  eukaryotic, plant 
C)  eukaryotic, fungi 
D)  prokaryotic, archaea 
E)  prokaryotic, bacteria

Question 14

Compared with a eukaryotic cell,a prokaryotic cell

Accepted Answer

A)  lacks organelles beyond ribosomes. 
B)  is larger. 
C)  does not require energy. 
D)  is not living. 
E)  has no method of movement. 
A)  lacks organelles beyond ribosomes. 
B)  is larger. 
C)  does not require energy. 
D)  is not living. 
E)  has no method of movement.

Question 15

Ribosomal RNA is produced in the

Accepted Answer

A)  nucleolus. 
B)  Golgi apparatus. 
C)  ribosomes. 
D)  rough endoplasmic reticulum. 
E)  smooth endoplasmic reticulum. 
A)  nucleolus. 
B)  Golgi apparatus. 
C)  ribosomes. 
D)  rough endoplasmic reticulum. 
E)  smooth endoplasmic reticulum.

Question 16

Which of these is present in plant,but not animal,cells?

Accepted Answer

A)  nucleus 
B)  centrioles 
C)  cell membrane 
D)  Golgi apparatus 
E)  chloroplasts 
A)  nucleus 
B)  centrioles 
C)  cell membrane 
D)  Golgi apparatus 
E)  chloroplasts

Question 17

The body of a slime mold that flows over a rotten log appears to lack any partitioning into distinct cells; however it does become cellular when it changes form and produces spores.The surfaces of parasitic flatworms and some insect tissues are "syncytial" layers of living material that have many nuclei but lack partitioning by cell membranes.These tissues actively consume food and produce wastes.Considering that the cell theory states that "all living things are composed of cells," then

Accepted Answer

A)  these tissues are not living because they violate the cell theory. 
B)  this proves some vital force is involved beyond normal cell structures in order to give life to living organisms. 
C)  these tissues are obviously a bridge between nonliving and primitive living cells. 
D)  the general concept of life-is-cellular still holds since sometime in their life these organisms still utilize cells, but this shows cell membranes can be abandoned. 
E)  this demonstrates that cell membranes are a necessity to be classified as a living cell. 
A)  these tissues are not living because they violate the cell theory. 
B)  this proves some vital force is involved beyond normal cell structures in order to give life to living organisms. 
C)  these tissues are obviously a bridge between nonliving and primitive living cells. 
D)  the general concept of life-is-cellular still holds since sometime in their life these organisms still utilize cells, but this shows cell membranes can be abandoned. 
E)  this demonstrates that cell membranes are a necessity to be classified as a living cell.

Question 18

The ____ will store pigments and toxins in plant cells.

Accepted Answer

A)  chloroplast 
B)  lysosomes 
C)  peroxisomes 
D)  vacuole 
E)  mitochondria 
A)  chloroplast 
B)  lysosomes 
C)  peroxisomes 
D)  vacuole 
E)  mitochondria

Question 19

Which organelle will use up oxygen and give off carbon dioxide and water?

Accepted Answer

A)  lysosomes 
B)  Golgi apparatus 
C)  mitochondria 
D)  chloroplasts 
E)  endoplasmic reticulum 
A)  lysosomes 
B)  Golgi apparatus 
C)  mitochondria 
D)  chloroplasts 
E)  endoplasmic reticulum

Question 20

Kinesin and dynein are associated with

Accepted Answer

A)  microtubules. 
B)  actin filaments. 
C)  Golgi apparatus. 
D)  intermediate filaments. 
E)  endoplasmic reticulum. 
A)  microtubules. 
B)  actin filaments. 
C)  Golgi apparatus. 
D)  intermediate filaments. 
E)  endoplasmic reticulum.

Exam 3: Cell Structure and Function

In a certain group of people,males are more subject to respiratory infections and are sterile.The most likely explanation for this disease is malfunctioning

Each time water in a cell freezes slowly,long sharp crystals spear through the membrane structures of the cell.The most reasonable explanation for the bad taste of meat that has "freezer burn" from repeated freezing is the destruction of

Because mitochondria were once independently living prokaryotic cells,if removed from a eukaryotic cell they can survive independently.

Ribosomes are composed of

The cell theory states:

Which of the following would be considered evidence that chloroplasts are involved in photosynthesis?

Cellular respiration is best associated with the

The Golgi apparatus directs its protein products to the correct location in the cell based on

If the mitochondrion is the result of endosymbiosis,what membrane of the mitochondrion represents the engulfing vesicle?

Antibiotics should be selectively toxic,that is,they should attack the infecting bacteria without harming you.Which of the following would be a good target for an antibiotic so it doesn't attack your cells?

Microtubules

During photosynthesis,solar energy is converted to chemical energy by the chloroplasts.The process is represented by:

A researcher samples the waters of the boiling hot springs in Yellowstone National Park.Under the microscope,she observes what appear to be living cells in the water.If these indeed are living cells,what type of cell would they most likely be?

Compared with a eukaryotic cell,a prokaryotic cell

Ribosomal RNA is produced in the

Which of these is present in plant,but not animal,cells?

The ____ will store pigments and toxins in plant cells.

Which organelle will use up oxygen and give off carbon dioxide and water?

Kinesin and dynein are associated with

The Study of Life

The Molecules of Cells

Membrane Structure and Function

Cell Division

Metabolism: Energy and Enzymes

Cellular Respiration

Photosynthesis

Plant Organization

Plant Reproduction and Responses

Human Organization

Cardiovascular System

Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Nervous System

Senses

Musculoskeletal System

Endocrine System

Reproductive System

Development and Aging

Patterns of Gene Inheritance

Chromosomal Basis of Inheritance

DNA Structure and Gene Expression

Biotechnology and Genomics

Evolution of Life

Microbiology

Protists and Fungi

Plants

Animals: the Invertebrates

Animals: Chordates and Vertebrates

Behavioral Ecology

Population and Community Ecology

Nature of Ecosystems

Major Ecosystems of the Biosphere

Conservation Biology

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