Micro Vocab Chap 4

a cell whose genetic material is not enclosed in a nuclear envelope

prokaryotic cell reproduction by division into two daughter cells

a cell having DNA inside a distinct membrane-enclosed nucleus

a spherical or ovoid bacterium

any rod shaped bacterium

a pair of cocci

a chain of cocci

grapelike cluster of cocci

a curved or comma-shaped bacterium

a helical or corkscrew-shaped bacterium

maintaining a single shape

the structure for motility found in spirochetes

an appendage on a bacterial cell used for attachment

an appendage on a bacterial cell used for conjugation

the outer covering of most bacterial, fungal, algal, and plant cells

the structural molecule of bacterial cell walls

a type of protein in the outer memrane of gram-negative cell walls that permits the passage of small molecules

a molecule consisting of a lipid and a polysaccharide, forming the outer membrane of gram-negative cell walls

the selectively permeable membrane enclosing the cytoplasm of a cell the outer layer in animal cells, internal to the cell wall in other organisms

the substance of a cell inside the plasma membrane (but external to the nucleus in eukaryotes)

area containing the circular bacterial chromosome

small extrachromosomal circular double stranded piece of DNA

site of protein synthesis in cells

reserve deposit of material in a prokaryotic cell

a specialized "resting" form of some prokaryotic cells

can have many shapes

an outer, viscous covering on some bacteria composed of a polysaccharide or polypeptide

a thin appendage from the surface of a cell; used for cellular locomotion

the ability of an organism to move by itself, or movement in response to an environmental stimulus