Textbook Question
What is the difference between growth and reproduction?
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Ch. 3 - Cell Structure and Function
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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Table of contents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Not the one you use?Change textbook
Chapter 3, Problem 5
Which of the following is not associated with prokaryotic organisms?
a. Nucleoid
b. Glycocalyx
c. Cilia
d. Circular DNA
Verified step by step guidance1
Step 1: Understand the characteristics of prokaryotic cells. Prokaryotes are unicellular organisms that lack a membrane-bound nucleus and other membrane-bound organelles.
Step 2: Review each option and determine if it is typically found in prokaryotic cells. For example, the nucleoid is the region in prokaryotes where their circular DNA is located, so it is associated with prokaryotes.
Step 3: Consider the glycocalyx, which is a sticky outer layer found in many prokaryotes that helps in protection and adherence, so it is also associated with prokaryotes.
Step 4: Examine the presence of cilia. Cilia are hair-like structures used for movement or sensory functions and are characteristic of eukaryotic cells, not prokaryotes.
Step 5: Confirm that circular DNA is typical of prokaryotes, as their genetic material is usually a single circular chromosome, unlike the linear chromosomes in eukaryotes.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Prokaryotic Cell Structure
Prokaryotic cells lack a true nucleus and instead have a nucleoid region where their circular DNA is located. They have simpler internal structures compared to eukaryotes and lack membrane-bound organelles.
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Overview of Prokaryotic Cell Structure
Glycocalyx in Prokaryotes
The glycocalyx is a sticky, gelatinous layer surrounding some prokaryotic cells, aiding in protection and adherence to surfaces. It can exist as a capsule or slime layer and is important for bacterial virulence.
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02:26The Glycocalyx: Capsules & Slime Layers
Cilia and Flagella Differences
Cilia are short, hair-like structures found mainly on eukaryotic cells for movement or sensory functions. Prokaryotes do not have cilia but may have flagella, which are longer and structurally different, used for motility.
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02:36Eukaryotic Cilia & Flagella
Related Practice
Textbook Question
Which of the following is true of Svedbergs?
a. They are not exact but are useful for comparisons.
b. They are abbreviated “sv.”
c. They are prokaryotic in nature but exhibit some eukaryotic characteristics.
d. They are an expression of sedimentation rate during high-speed centrifugation.
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Textbook Question
Which of the following is most associated with diffusion?
a. Symports
b. Antiports
c. Carrier proteins
d. Endocytosis
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Textbook Question
A local newspaper writer has contacted you, an educated microbiology student from a respected college. He wants to obtain scientific information for an article he is writing about “life” and poses the following query: “What is the difference between a living thing and a nonliving thing?” Knowing that he will edit your material to fit the article, give an intelligent, scientific response.
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Textbook Question
Which of the following statements is true?
a. The cell walls of bacteria are composed of peptidoglycan.
b. Peptidoglycan is a fatty acid.
c. Gram-positive bacterial walls have a relatively thin layer of peptidoglycan anchored to the cytoplasmic membrane by teichoic acids.
d. Peptidoglycan is found mainly in the cell walls of fungi, algae, and plants.
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Textbook Question
The term fluid mosaic has been used in describing the cytoplasmic membrane. How does each word of that phrase accurately describe our current understanding of a cell membrane?
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