객관식
Which of these is NOT true regarding bacterial plasmids?
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- 1. Introduction to Microbiology3h 27m
- Introduction to Microbiology18m
- Introduction to Taxonomy26m
- Scientific Naming of Organisms9m
- Members of the Bacterial World10m
- Introduction to Bacteria9m
- Introduction to Archaea10m
- Introduction to Eukarya20m
- Acellular Infectious Agents: Viruses, Viroids & Prions19m
- Importance of Microorganisms25m
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- 2. Disproving Spontaneous Generation1h 18m
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- Cell Envelope & Biological Membranes12m
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- Introduction to Membrane Transport14m
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- Types of Small Molecule Transport Review9m
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- 7. Prokaryotic Cell Structures & Functions5h 52m
- Prokaryotic & Eukaryotic Cells26m
- Binary Fission11m
- Generation Times16m
- Bacterial Cell Morphology & Arrangements35m
- Overview of Prokaryotic Cell Structure10m
- Introduction to Bacterial Cell Walls26m
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- Review of Prokaryotic Surface Structures8m
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- Introduction to Bacterial Plasmids13m
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- Introduction to DNA Repair5m
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- Introduction to Conjugation6m
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- Genome Variability21m
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- Steps of the Inflammatory Response26m
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- 20. Adaptive Immunity7h 14m
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- Introduction to T Lymphocytes38m
- Major Histocompatibility Complex Molecules20m
- Activation of T Lymphocytes21m
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- Outcomes of Antibody Binding to Antigen15m
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- Primary and Secondary Response of Adaptive Immunity21m
- Immune Tolerance28m
- Regulatory T Cells10m
- Natural Killer Cells16m
- Review of Adaptive Immunity25m
- 21. Principles of Disease6h 57m
- Symbiotic Relationships12m
- The Human Microbiome46m
- Characteristics of Infectious Disease47m
- Stages of Infectious Disease Progression26m
- Koch's Postulates26m
- Molecular Koch's Postulates11m
- Bacterial Pathogenesis36m
- Introduction to Pathogenic Toxins6m
- Exotoxins Cause Damage to the Host40m
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- Exotoxins vs. Endotoxin Review13m
- Immune Response Damage to the Host15m
- Introduction to Avoiding Host Defense Mechanisms8m
- 1) Hide Within Host Cells5m
- 2) Avoiding Phagocytosis31m
- 3) Surviving Inside Phagocytic Cells10m
- 4) Avoiding Complement System9m
- 5) Avoiding Antibodies25m
- Viruses Evade the Immune Response27m
- 25. Epidemiology2h 24m
- Introduction to Epidemiology37m
- Introduction to Chain of Infection5m
- Reservoirs of Infection12m
- Disease Transmission4m
- Horizontal Disease Transmission30m
- Colonization of Susceptible Host7m
- Factors Influencing Epidemiology11m
- Emerging Infectious Diseases12m
- Healthcare-Associated Infections13m
- Epidemiological Studies8m
- 26. Applications of the Immune Response2h 9m
- 27. Immunological Disorders3h 29m
- 28. Antimicrobial Drugs3h 38m
- Introduction to Antimicrobial Drugs8m
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- Superinfections11m
- Drug Interactions: Synergism and Antagonism8m
- Therapeutic Window & Therapeutic Index6m
- Inhibitors of Cell Wall Synthesis: Beta-lactam & Penicillin36m
- Inhibitors of Cell Wall Synthesis: Polypeptide Antibiotics & Isoniazid8m
- Inhibitors of Protein Synthesis11m
- Disruptors of Cell Membranes11m
- Inhibitors of Nucleic Acid Synthesis9m
- Competitive Inhibitors of Metabolic Pathways12m
- Antifungal Drugs11m
- Antiviral Drugs10m
- Tests to Guide Antimicrobial Use21m
- Antimicrobial Resistance29m
- 29. Microbial Infections - Skin and Eyes46m
- 30. Microbial Infections - Respiratory System1h 23m
- 31. Microbial Infections - Digestive System1h 10m
- 33. Microbial Infections - Nervous System2h 18m
- 34. Microbial Infections - Urogenital System1h 40m
7. Prokaryotic Cell Structures & Functions
Introduction to Bacterial Plasmids
객관식
Most bacterial plasmids carry an origin of replication and at most how many genes?
A
A few dozen
B
Hundreds of thousands
C
Millions
D
Several thousand
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검증된 단계별 안내1
Understand what a plasmid is: a plasmid is a small, circular DNA molecule found in bacteria that replicates independently of the bacterial chromosome.
Recall that plasmids typically carry genes that provide selective advantages, such as antibiotic resistance, but they are much smaller than the bacterial chromosome.
Recognize that the size of plasmids limits the number of genes they can carry; most plasmids carry only a limited number of genes.
Know that the origin of replication is essential for plasmid replication, but the number of genes on plasmids is usually not very large—typically on the order of a few dozen genes.
Conclude that among the given options, 'a few dozen' genes is the most accurate description of the typical gene content of bacterial plasmids.
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