Textbook Question
Match the structures in column A to their functions in column B.
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Ch. 4 - Functional Anatomy of Prokaryotic and Eukaryotic Cells
Tortora14th EditionMicrobiology: An IntroductionISBN: 9780138200398
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Table of contents
- Ch. 1 - The Microbial World and You18
- Ch. 2 - Chemical Principles20
- Ch. 3 - Observing Microorganisms Through a Microscope18
- Ch. 4 - Functional Anatomy of Prokaryotic and Eukaryotic Cells21
- Ch. 5 - Microbial Metabolism20
- Ch. 6 - Microbial Growth20
- Ch. 7 - The Control of Microbial Growth20
- Ch. 8 - Microbial Genetics19
- Ch. 9 - Biotechnology & DNA Technology20
- Ch. 10 - Classification of Microorganisms15
- Ch. 11 - The Prokaryotes: Domains Bacteria and Archaea14
- Ch. 12 - The Eukaryotes: Fungi, Algae, Protozoa, and Helminths17
- Ch. 13 - Viruses, Viroids, and Prions20
- Ch. 14 - Principles of Disease and Epidemiology21
- Ch. 15 - Microbial Mechanisms of Pathogenicity19
- Ch. 16 - Innate Immunity: Nonspecific Defenses of the Host20
- Ch. 17 - Adaptive Immunity: Specific Defenses of the Host20
- Ch. 18 - Practical Applications of Immunology20
- Ch. 19 - Disorders Associated with the Immune System19
- Ch. 20 - Antimicrobial Drugs19
- Ch. 21 - Microbial Diseases of the Skin and Eyes21
- Ch. 22 - Microbial Diseases of the Nervous System19
- Ch. 23 - Microbial Diseases of the Cardiovascular and Lymphatic Systems20
- Ch. 24 - Microbial Diseases of the Respiratory System20
- Ch. 25 - Microbial Diseases of the Digestive System20
- Ch. 26 - Microbial Diseases of the Urinary and Reproductive Systems19
- Ch. 27 - Environmental Microbiology20
- Ch. 28 - Applied and Industrial Microbiology19
Tortora14th EditionMicrobiology: An IntroductionISBN: 9780138200398Not the one you use?Change textbook
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Tortora 14th EditionCh. 4 - Functional Anatomy of Prokaryotic and Eukaryotic CellsProblem 2
Tortora 14th EditionCh. 4 - Functional Anatomy of Prokaryotic and Eukaryotic CellsProblem 2Chapter 4, Problem 2
Endospore formation is called (a) ________. It is initiated by (b) ________. Formation of a new cell from an endospore is called (c) ________. This process is triggered by (d) ________.
Verified step by step guidance1
Step 1: Understand that endospore formation is a survival mechanism used by certain bacteria to withstand harsh environmental conditions. The specific term for this process is called 'sporulation'.
Step 2: Identify what initiates sporulation. It is typically triggered by nutrient limitation or environmental stress, which signals the bacterial cell to begin forming an endospore.
Step 3: Recognize the term for the process by which a new vegetative cell emerges from a mature endospore. This process is called 'germination'.
Step 4: Determine what triggers germination. Germination is usually initiated by favorable environmental conditions, such as the presence of nutrients, moisture, and suitable temperature.
Step 5: Summarize the answers: (a) Sporulation, (b) Nutrient limitation or environmental stress, (c) Germination, (d) Favorable environmental conditions.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Sporulation
Sporulation is the process of endospore formation in certain bacteria, allowing them to survive harsh conditions. It involves a series of cellular changes leading to the development of a highly resistant, dormant structure called an endospore.
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Sporulation
Initiation of Sporulation
Sporulation is typically initiated by environmental stress, such as nutrient deprivation or unfavorable conditions. These triggers activate genetic pathways that start the formation of the endospore to ensure bacterial survival.
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Germination
Germination is the process by which a dormant endospore returns to its vegetative, active state, forming a new bacterial cell. This process is usually triggered by favorable environmental conditions like the presence of nutrients.
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Related Practice
Textbook Question
Draw the bacterial shapes listed in (a), (b), and (c). Then draw the shapes in (d), (e), and (f), showing how they are special conditions of a, b, and c, respectively.
a. Spiral
b. Bacillus
c. Coccus
d. Spirochetes
e. Staphylococci
f. Streptobacilli
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Textbook Question
Use the following choices to answer the following question.
a. No change will result; the solution is isotonic.
b. Water will move into the cell.
c. Water will move out of the cell.
d. The cell will undergo osmotic lysis.
e. Sucrose will move into the cell from an area of higher concentration to one of lower concentration.
Which statement best describes what happens when a gram-negative bacterium is placed in distilled water and penicillin?
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Textbook Question
Diagram each of the following flagellar arrangements:
a. Lophotrichous
b. Monotrichous
c. Peritrichous
d. Amphitrichous
e. Polar
Textbook Question
Use the following choices to answer the following question.
a. No change will result; the solution is isotonic.
b. Water will move into the cell.
c. Water will move out of the cell.
d. The cell will undergo osmotic lysis.
e. Sucrose will move into the cell from an area of higher concentration to one of lower concentration.
Which statement best describes what happens when a gram-positive bacterium is placed in distilled water and penicillin?
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Textbook Question
Which of the following is not a distinguishing characteristic of prokaryotic cells?
a. They usually have a single, circular chromosome.
b. They have 70S ribosomes.
c. They have cell walls containing peptidoglycan.
d. Their DNA is not associated with histones.
e. They lack a plasma membrane.
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