York College - CUNY Bio 265L Lab Notes

These flashcards cover key concepts and vocabulary from the Bio 265L lab notes, focusing on microscopy and the morphology of bacteria.

Microscope

An instrument used to examine small objects, with parts that include lenses for magnification and resolution.

Coccus

A spherical bacterium, can be observed in various arrangements such as clusters or chains.

Diplococcus

A pair of cocci bacteria, commonly represented by Neisseria gonorrhoeae.

Staphylococcus

A genus of bacteria characterized by clusters of cocci.

Streptococcus

A genus of bacteria characterized by chains of cocci.

Bacillus

A rod-shaped bacterium, can be found as single, paired (diplobacillus), or in chains (streptobacillus).

Spirillum

A spiral-shaped bacterium, such as Spirillum volutans.

Spirochete

A type of bacteria characterized by a spiral shape, including Treponema pallidum.

Bacterial capsule

A protective outer layer found in some bacteria, such as Klebsiella pneumoniae.

Endospore

A resistant structure produced by some bacteria, important for survival under extreme conditions, found in bacteria such as Bacillus anthracis.

Flagella

Motility appendages in bacteria that can be arranged in various ways: monotrichous, amphitrichous, lophotrichous, peritrichous, and amphilophotrichous.

Klebsiella pneumoniae

A bacterium known for causing pneumonia, distinguished by its bacterial capsule.

Bacillus anthracis

The bacterium that causes anthrax, notable for forming endospores.