17 Questions
What is the primary mechanism by which bacteria cause disease?
Bacteria release toxins that damage host cells
Which of the following is NOT one of the four main shapes of bacteria?
Pleomorphic
Which of the following is NOT a key step in the Gram staining procedure for classifying bacteria?
Incubating the sample in a nutrient-rich medium
Which of the following is a characteristic of Gram-positive bacteria?
Resistant to certain antibiotics
What is the primary function of the cell membrane in bacterial cells?
Act as a selectively permeable barrier
How do bacteria cause disease?
By invading tissue and causing physical damage
Which of the following is a common method used to classify bacteria based on their oxygen requirements?
Anaerobic culture
What is the primary way viruses cause disease?
Taking over the metabolic machinery of cells
How do fungi primarily cause disease?
Secreting toxins into tissues
What is the main mechanism by which protozoa cause disease?
No set pattern of causing disease
Which type of microorganism secretes toxins to cause disease?
Fungi
Which of the following is NOT a characteristic of bacterial cells?
Presence of a true nucleus
What is the primary purpose of the Gram staining technique in bacterial identification?
To differentiate between Gram-positive and Gram-negative bacteria
Which of the following is NOT a common bacterial cell shape?
Amoeboid
Which of the following is a key characteristic that differentiates bacteria from viruses?
Ability to replicate independently
What is the primary function of the cell wall in a bacterial cell?
Provide structural support and protection
Which of the following is NOT a common method of bacterial classification?
Presence of chloroplasts
Learn about the role of bacteria and other microorganisms in causing diseases, including the germ theory, pathogens, and infectious diseases. Explore the contributions of Louis Pasteur, Joseph Lister, and Robert Koch to the development of germ theory.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
