When an Event Must Occur, Its Probability Value Is

question 20

Multiple Choice

When an event must occur, its probability value is

• A) .99
• B) 1.00
• C) 0
• D) 100%

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Definitions:

Peptidoglycan

A complex polymer found in the cell walls of bacteria that provides structural support and protection.

Gram-positive

Refers to bacteria that retain the crystal violet dye used in Gram staining, indicating a thick peptidoglycan layer in their cell walls.

Gram-negative

Bacteria characterized by a thin layer of peptidoglycan in their cell wall, covered by an outer membrane containing lipopolysaccharides; stains pink in Gram staining.

Cyanobacteria

Photosynthetic microorganisms, also known as blue-green algae, that are key players in nitrogen fixation and oxygen production in various ecosystems.