Archaea and _____ share many ribosomal RNA sequences.
Bacterial cells protect themselves with either an S layer or a _____ or both.
A ____ arrangement, typical of the corynebacteria, is formed when the cells of a chain remain partially attached by a small hinge region at the ends.
A bacterial ______ can withstand extreme environmental conditions.
Shape of archaea DNA
In ____-_____ bacteria, cell wall is thick with multiple layers of peptidoglycan.
Archaea, often referred to as _______, love extreme conditions in their environment.
Taxonomic category of bacteria that have gram-negative envelopes
The primary function of flagella is to confer____, or self-propulsion.
The six bacterial shapes include: coccus, bacillus (rod), vibrio, spirochete, branching filaments and ______.
____ is the disintegration or rupture of a cell.
Cocci have great variety in arrangement. They can be single, diplococci (in pairs), ______(groups of 4), or irregular clusters.
Taxonomic category of bacteria that lack cell walls
One way bacteria and archaea are different than eukaryotes is bacteria don't wind their DNA around _____, proteins that serve as winding spools, like eukaryotes do.
Majority of bacteria have a chemically complex external covering called the ___ _______.
Down
Prokaryotic, single-celled organism that is one of the three domains of living organisms
Like bacteria, Archaea have no nucleus or membrane-bound _______.
In ___-____ bacteria, the cell wall is thin and contains only a single layer of peptidoglycan.
Glycocalyces are important in the formation of ____, the plaque that forms on teeth.
A phenomenon, called ______, is due to individual variations in cell wall structure caused by nutritional or slight genetic differences.
The basophilic nuclear region that contains the bacterial chromosome.
Bacteria manufacture _____ bodies to respond to their environmental conditions.
A bacterial cell contains thousands of tiny _____, the site of protein synthesis.
Taxonomic category of bacteria that have unusual cell walls; archaea
Taxonomic category of bacteria that have gram-positive cell envelopes
Unlike bacteria, archaea cell walls are NOT composed of ______.
Bacteria do not have a _______.
_____ are small, bristle-like fibers sprouting off the surface of many bacterial cells.
Some bacteria are covered with a slime layer that protects them from a loss of ____ and nutrients.
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