18 Questions
What type of cell division do bacterial cells undergo?
Binary Fission
How are Leptospira species typically transmitted to humans?
Through contact with urine from an infected animal
What is a characteristic of B-cells that is not found in T-cells?
Surface immunoglobulin
What is the primary mode of transmission for listeriosis?
Contaminated food
Which bacterium is an obligate parasite?
Mycobacterium leprae
What is a classic symptom of pertussis?
Paroxysmal coughing
Which of the following viruses is not oncogenic?
HCV
What is the primary method of laboratory diagnosis for HIV infection?
Detection of antigen and antibodies
What is a primer in molecular biology?
A short sequence of oligonucleotide
Which of the following is NOT a direct viral diagnostic technique?
Biochemical tests
What is the first step in all virus infection?
Attachment to cell receptor
Rubella has the most serious consequences in:
Pregnant Women
What is the type of mutation that involves a change in a single base pair?
Point mutation
Which of the following microorganisms does not have an outer capsule?
Staphylococcus aureus
What is the function of the enzyme Reverse Transcriptase in HIV-1?
Converting RNA to DNA
Which of the following is a hallmark of the adaptive immune system?
Specificity and Memory
What is the primary mode of transmission of Leptospira?
Contact with urine from infected animal
Which of the following bacteria is commonly associated with food intoxication?
Staphylococcus aureus
Test your knowledge of microorganisms and the immune system with these questions on Clostridium difficile, bacterial identification, and immune cell characteristics.
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