The Common Soil Mycobacteria That Frequently Cause Systemic Infection and Death

question 26

Multiple Choice

The common soil mycobacteria that frequently cause systemic infection and death in AIDS patients is

• A)Mycobacterium avium complex (MAC).
• B)Mycobacterium kansasii.
• C)Mycobacterium scrofulaceum.
• D)Mycobacterium fortuitum complex.
• E)Mycobacterium marinum.

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Definitions:

Chromosome Number

The total count of chromosomes in a cell, which is characteristic of each species.

Meiosis

Meiosis is a type of cell division resulting in four daughter cells each with half the number of chromosomes of the parent cell, essential for sexual reproduction.

Diploid

An organism or cell having two sets of chromosomes, typically one set from each parent.

Crossing-Over

A process occurring during meiosis where two chromosomes pair up and exchange segments of their genetic material to form recombinant chromosomes, which increases genetic diversity.