Question 1

Briefly describe the similarities and differences between cilia and flagella.

Accepted Answer

Both are slender extensions of the cell

Question 2

A cell that contains a large number of ribosomes would produce a large number of molecules.

Accepted Answer

The answer of A cell that contains a large number...

Question 3

Researchers have been able to study the pathway of a secreted protein by "tagging" it with a fluorescent marker. Using this method, you would observe fluorescence moving from the ER to which organelle?

Accepted Answer

A)  Plasma membrane 
B)  Mitochondria 
C)  Golgi apparatus 
D)  Lysosome 
E)  Nuclear membrane 
A)  Plasma membrane 
B)  Mitochondria 
C)  Golgi apparatus 
D)  Lysosome 
E)  Nuclear membrane

Question 4

What is NOT a feature of a prokaryotic cell?

Accepted Answer

A)  DNA 
B)  A nuclear membrane 
C)  Enzymes 
D)  Ribosomes 
E)  A plasma membrane 
A)  DNA 
B)  A nuclear membrane 
C)  Enzymes 
D)  Ribosomes 
E)  A plasma membrane

Question 5

Which of the following is capable of converting solar energy into chemical energy?

Accepted Answer

A)  Vacuoles 
B)  Chloroplasts 
C)  Golgi apparatus 
D)  Mitochondria 
E)  Vesicles 
A)  Vacuoles 
B)  Chloroplasts 
C)  Golgi apparatus 
D)  Mitochondria 
E)  Vesicles

Question 6

Treponema pallidum is the organism that causes syphilis, a sexually transmitted disease. This organism moves around freely, making it well adapted to traveling within bodily fluids and being spread from host to host during intimate contact. It possesses a single chromosome and has relatively few genes. The overall shape of this single- celled organism is similar to a corkscrew, with many twists and turns along its length. Based on this information, Treponema is most likely what type of cell?

Accepted Answer

A)  A prokaryotic coccus 
B)  A prokaryotic spirillum 
C)  A prokaryotic bacillus 
D)  A flagellated eukaryote 
E)  A ciliated eukaryote 
A)  A prokaryotic coccus 
B)  A prokaryotic spirillum 
C)  A prokaryotic bacillus 
D)  A flagellated eukaryote 
E)  A ciliated eukaryote

Question 7

The phospholipids that make up the plasma membrane have _ heads and tails.

Accepted Answer

A)  eukaryotic; prokaryotic 
B)  cytoplasmic; phagocytic 
C)  hydrophobic; hydrophilic 
D)  prokaryotic; eukaryotic 
E)  hydrophilic; hydrophobic 
A)  eukaryotic; prokaryotic 
B)  cytoplasmic; phagocytic 
C)  hydrophobic; hydrophilic 
D)  prokaryotic; eukaryotic 
E)  hydrophilic; hydrophobic

Question 8

What is the difference between free and attached ribosomes?

Accepted Answer

A)  Free ribosomes are readily "used up" by the cell and are replaced frequently, whereas attached ribosomes remain functional for the lifetime of the cell. 
B)  Free ribosomes produce proteins that are exported from the cell, whereas attached ribosomes make proteins for mitochondria and chloroplasts. 
C)  Free ribosomes are located in the cytoplasm, whereas attached ribosomes are embedded on the endoplasmic reticulum. 
D)  Free ribosomes produce proteins, whereas attached ribosomes produce carbohydrates. 
A)  Free ribosomes are readily "used up" by the cell and are replaced frequently, whereas attached ribosomes remain functional for the lifetime of the cell. 
B)  Free ribosomes produce proteins that are exported from the cell, whereas attached ribosomes make proteins for mitochondria and chloroplasts. 
C)  Free ribosomes are located in the cytoplasm, whereas attached ribosomes are embedded on the endoplasmic reticulum. 
D)  Free ribosomes produce proteins, whereas attached ribosomes produce carbohydrates.

Question 9

How is the vacuole involved in the support of the non- woody parts of the plant?

Accepted Answer

The vacuole allows f

Question 10

All of the following are characteristics of mitochondria and chloroplasts EXCEPT

Accepted Answer

A)  both are surrounded by a double membrane. 
B)  both synthesize ATP. 
C)  both can capture the energy of sunlight. 
D)  both likely evolved from prokaryotic bacteria. 
E)  both possess their own DNA, independent of the nucleus. 
A)  both are surrounded by a double membrane. 
B)  both synthesize ATP. 
C)  both can capture the energy of sunlight. 
D)  both likely evolved from prokaryotic bacteria. 
E)  both possess their own DNA, independent of the nucleus.

Question 11

Which of the following components is NOT part of the modern cell theory?

Accepted Answer

A)  All cells arise from preexisting cells. 
B)  Cells are the functional units of multicellular organisms. 
C)  Bacteria are examples of eukaryotic cells. 
D)  All living organisms are made up of one or more cells. 
E)  The smallest living organisms are single cells. 
A)  All cells arise from preexisting cells. 
B)  Cells are the functional units of multicellular organisms. 
C)  Bacteria are examples of eukaryotic cells. 
D)  All living organisms are made up of one or more cells. 
E)  The smallest living organisms are single cells.

Question 12

All cells possess all of the following components EXCEPT

Accepted Answer

A)  cytoplasm. 
B)  a plasma cell membrane. 
C)  a nuclear membrane. 
D)  ribosomes. 
E)  genetic material (DNA or RN
A) . 
A)  cytoplasm. 
B)  a plasma cell membrane. 
C)  a nuclear membrane. 
D)  ribosomes. 
E)  genetic material (DNA or RN
A) .

Question 13

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.
-Site of protein synthesis

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 14

The small, circular loops of DNA in prokaryotic cells that are separate from the main chromosome and may carry genes associated with antibiotic resistance are called

Accepted Answer

A)  pili. 
B)  plastids. 
C)  cristae. 
D)  ribosomes. 
E)  plasmids. 
A)  pili. 
B)  plastids. 
C)  cristae. 
D)  ribosomes. 
E)  plasmids.

Question 15

Describe the differences among the nucleolus, nucleus, and nucleoid regions in cells.

Accepted Answer

In eukaryotes, the nucleus contains the

Question 16

Cells that have a nucleus are referred to as cells; those that lack a membrane- bound nucleus are called
cells.

Accepted Answer

eukaryotic

Question 17

Prokaryotic cells do not have mitochondria, so they cannot make ATP energy.

Accepted Answer

A) True 
 B)False

Question 18

Why are cells generally small?

Accepted Answer

Cells need sufficient surface

Question 19

The DNA in a prokaryotic cell is in the region of the cytoplasm.

Accepted Answer

The answer of The DNA in a prokaryotic cell is...

Question 20

Of the following cell components, which is composed of protein fibers that provide shape and organization to eukaryotic cells?

Accepted Answer

A)  Golgi complex 
B)  Mitochondria 
C)  Cytoskeleton 
D)  Chromatin 
E)  DNA 
A)  Golgi complex 
B)  Mitochondria 
C)  Cytoskeleton 
D)  Chromatin 
E)  DNA

Exam 4: Cell Structure and Function

Briefly describe the similarities and differences between cilia and flagella.

A cell that contains a large number of ribosomes would produce a large number of molecules.

Researchers have been able to study the pathway of a secreted protein by "tagging" it with a fluorescent marker. Using this method, you would observe fluorescence moving from the ER to which organelle?

What is NOT a feature of a prokaryotic cell?

Which of the following is capable of converting solar energy into chemical energy?

The phospholipids that make up the plasma membrane have _ heads and tails.

What is the difference between free and attached ribosomes?

How is the vacuole involved in the support of the non- woody parts of the plant?

All of the following are characteristics of mitochondria and chloroplasts EXCEPT

Which of the following components is NOT part of the modern cell theory?

All cells possess all of the following components EXCEPT

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. -Site of protein synthesis

The small, circular loops of DNA in prokaryotic cells that are separate from the main chromosome and may carry genes associated with antibiotic resistance are called

Describe the differences among the nucleolus, nucleus, and nucleoid regions in cells.

Cells that have a nucleus are referred to as cells; those that lack a membrane- bound nucleus are called cells.

Prokaryotic cells do not have mitochondria, so they cannot make ATP energy.

Why are cells generally small?

The DNA in a prokaryotic cell is in the region of the cytoplasm.

Of the following cell components, which is composed of protein fibers that provide shape and organization to eukaryotic cells?

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

Filters