Gram-Negative Bacteria _______

question 65

Multiple Choice

Gram-negative bacteria _______.

• A) have a more complex cell envelope with a greater variation in chemical composition
• B) appear purple following the Gram stain
• C) are generally more susceptible to antibiotics than gram-positive bacteria
• D) include all pathogens

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Definitions:

Primary Xylem

The initial form of xylem (the water-conducting tissue in plants) developed during growth, responsible for the transport of water and nutrients.

Collenchyma

A type of plant tissue characterized by its living, elongated cells with unevenly thickened walls that provide structural support.

Sclerenchyma

A type of plant tissue specialized for support and strength, characterized by cells with thickened lignified walls.

Cutin

A waxy hydrophobic polymer present in the cell walls of plant epidermal cells, forming a protective barrier against environmental stress.