Science Reviewer

It is most diverse and widespread among the prokäryotes.

• Kingdom Eubacteria

• Kingdom Archaea

Clusters of individual bacteria cells.

• Colonies

• Bacterial Phatogens

Colonie are arranged as threadlike strands of cells called_____.

• Filaments

• Bacilli

Spherical bacteria known as _____usually form chains or clusters.

• Cocci

• Bacilli

Rod-shaped bacteria called ____ occur in a single form and are threadlike or filamentous in appearance.

• Bacilli

• Spirilla

A spiral-shaped bacteria that look like a corkscrew.

• Bacilli

• Spirilla

The cell walls of bacteria fall into two categories based on their ability to be stained with a purple dye.

• Gram Stain

• Gram marker

Gram-positive bacteria refer to those that retain the purple dye and appear deep blue or purple when treated with Gram stain.

• True

• False

Gram-negative bacteria refer to those that do not retain the Gram stain but are made visible under the microscope using a counterstain and appear pink-red

• True

• False

A mesh-like layer outside the plasma membrane, which is composed

of peptide bond and carbohydrates.

• Peptidoglycan

• Cyanobacteria