Question 1

Imagine that a protein molecule is to be exported from a cell. Describe the pathway that the protein takes from the point of synthesis to export.

Accepted Answer

A protein to be exported is synthesized

Question 2

Plastids are found in cells.

Accepted Answer

A)  plant 
B)  fungal 
C)  animal 
D)  bacterial 
A)  plant 
B)  fungal 
C)  animal 
D)  bacterial

Question 3

Prokaryotes that are rod- shaped are called

Accepted Answer

A)  bacilli. 
B)  spirilla. 
C)  cocci. 
D)  eukaryotes. 
A)  bacilli. 
B)  spirilla. 
C)  cocci. 
D)  eukaryotes.

Question 4

How does a cell rid itself of defective or malfunctioning organelles?

Accepted Answer

A)  Defective organelles accumulate until the cell itself dies. 
B)  Ribosomes remove malfunctioning organelles by degrading the parts. 
C)  Lysosomes assist in the removal of defective organelles by digesting them. 
D)  The organelles are exported by phagocytosis. 
E)  The organelles are engulfed by plastids and stored. 
A)  Defective organelles accumulate until the cell itself dies. 
B)  Ribosomes remove malfunctioning organelles by degrading the parts. 
C)  Lysosomes assist in the removal of defective organelles by digesting them. 
D)  The organelles are exported by phagocytosis. 
E)  The organelles are engulfed by plastids and stored.

Question 5

A particular cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a(n) cell.

Accepted Answer

A)  animal, but not a plant 
B)  bacterial 
C)  plant or animal 
D)  plant or bacterial 
E)  plant, but not an animal 
A)  animal, but not a plant 
B)  bacterial 
C)  plant or animal 
D)  plant or bacterial 
E)  plant, but not an animal

Question 6

What is the function of a plant cell vacuole?

Accepted Answer

A)  Packages proteins for export 
B)  Replicates chromosomes 
C)  Stores water 
D)  Initiates division of the cell 
A)  Packages proteins for export 
B)  Replicates chromosomes 
C)  Stores water 
D)  Initiates division of the cell

Question 7

Fibers of the cytoskeleton are composed of primarily

Accepted Answer

A)  proteins. 
B)  nucleic acids. 
C)  polysaccharides. 
D)  ER. 
E)  lipids. 
A)  proteins. 
B)  nucleic acids. 
C)  polysaccharides. 
D)  ER. 
E)  lipids.

Question 8

All of the following are dependent on cilia EXCEPT the

Accepted Answer

A)  respiratory tract of vertebrates. 
B)  sperm of animals. 
C)  gills of oysters. 
D)  oviduct in mammals. 
A)  respiratory tract of vertebrates. 
B)  sperm of animals. 
C)  gills of oysters. 
D)  oviduct in mammals.

Question 9

A cell with a large number of lysosomes would most likely be very active in

Accepted Answer

A)  lipid synthesis. 
B)  movement. 
C)  cell division. 
D)  phagocytosis. 
A)  lipid synthesis. 
B)  movement. 
C)  cell division. 
D)  phagocytosis.

Question 10

Cells that primarily produce steroid hormones, such as testosterone and estrogen, have large quantities of

Accepted Answer

A)  DNA. 
B)  cytoplasmic ribosomes. 
C)  plasma membranes. 
D)  smooth endoplasmic reticulum. 
E)  enzymes. 
A)  DNA. 
B)  cytoplasmic ribosomes. 
C)  plasma membranes. 
D)  smooth endoplasmic reticulum. 
E)  enzymes.

Question 11

RNA carries information for protein synthesis from the DNA in the nucleus to the ribosomes in the cytoplasm. To get from the nucleus to the cytoplasm, RNA must pass through a in the nuclear membrane.

Accepted Answer

The answer of RNA carries information for protein synthesis from...

Question 12

Choose the correct pathway of information flow in the cell.

Accepted Answer

A)  ER -DNA -Golgi -protein 
B)  ER -DNA -RNA -protein 
C)  RNA -DNA -protein 
D)  DNA -RNA -protein 
A)  ER -DNA -Golgi -protein 
B)  ER -DNA -RNA -protein 
C)  RNA -DNA -protein 
D)  DNA -RNA -protein

Question 13

All of the following cells contain mitochondria EXCEPT

Accepted Answer

A)  plant cells. 
B)  animal cells. 
C)  eukaryotic cells. 
D)  prokaryotic cells. 
A)  plant cells. 
B)  animal cells. 
C)  eukaryotic cells. 
D)  prokaryotic cells.

Question 14

MATCHING. Choose the item in column 2 that best matches each item in column 1.
For the following question(s), select the organelle that is the most appropriate match for each description. Selections may be used once, more than once, or not at all.
-Sorts proteins and sends them to their proper destination

Accepted Answer

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

Question 15

Which of the following is associated with rough ER?

Accepted Answer

A)  Plasma membrane 
B)  Chlorophyll 
C)  Ribosomes 
D)  Lipid synthesis 
E)  DNA 
A)  Plasma membrane 
B)  Chlorophyll 
C)  Ribosomes 
D)  Lipid synthesis 
E)  DNA

Question 16

Flagellated cells can

Accepted Answer

A)  attach to surfaces more effectively because of the flagella. 
B)  move the cell through fluid. 
C)  divide more quickly than nonflagellated cells. 
D)  move internal organelles more efficiently than nonflagellated cells. 
A)  attach to surfaces more effectively because of the flagella. 
B)  move the cell through fluid. 
C)  divide more quickly than nonflagellated cells. 
D)  move internal organelles more efficiently than nonflagellated cells.

Question 17

MATCHING. Choose the item in column 2 that best matches each item in column 1.
For the following question(s), select the organelle that is the most appropriate match for each description. Selections may be used once, more than once, or not at all.
-Makes steroid hormones

Accepted Answer

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

Question 18

Membrane proteins are synthesized on ribosomes that are located

Accepted Answer

A)  on the smooth endoplasmic reticulum. 
B)  in the cytoplasm. 
C)  on the Golgi apparatus. 
D)  in the nucleus. 
E)  on the rough endoplasmic reticulum. 
A)  on the smooth endoplasmic reticulum. 
B)  in the cytoplasm. 
C)  on the Golgi apparatus. 
D)  in the nucleus. 
E)  on the rough endoplasmic reticulum.

Question 19

What size, in diameter, are most single cells?

Accepted Answer

From 1 to

Question 20

Which type of microscope has the best resolution?

Accepted Answer

A)  Hooke's microscope 
B)  A modern light microscope 
C)  Leeuwenhoek's microscope 
D)  An electron microscope 
A)  Hooke's microscope 
B)  A modern light microscope 
C)  Leeuwenhoek's microscope 
D)  An electron microscope

Exam 4: Cell Structure and Function

Imagine that a protein molecule is to be exported from a cell. Describe the pathway that the protein takes from the point of synthesis to export.

Plastids are found in cells.

Prokaryotes that are rod- shaped are called

How does a cell rid itself of defective or malfunctioning organelles?

A particular cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a(n) cell.

What is the function of a plant cell vacuole?

Fibers of the cytoskeleton are composed of primarily

All of the following are dependent on cilia EXCEPT the

A cell with a large number of lysosomes would most likely be very active in

Cells that primarily produce steroid hormones, such as testosterone and estrogen, have large quantities of

RNA carries information for protein synthesis from the DNA in the nucleus to the ribosomes in the cytoplasm. To get from the nucleus to the cytoplasm, RNA must pass through a in the nuclear membrane.

Choose the correct pathway of information flow in the cell.

All of the following cells contain mitochondria EXCEPT

Which of the following is associated with rough ER?

Flagellated cells can

MATCHING. Choose the item in column 2 that best matches each item in column 1. For the following question(s), select the organelle that is the most appropriate match for each description. Selections may be used once, more than once, or not at all. -Makes steroid hormones

Membrane proteins are synthesized on ribosomes that are located

What size, in diameter, are most single cells?

Which type of microscope has the best resolution?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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