helical; move by flagella, if present
spherical; in chains
divide in three regular planes; spheres form cubelike packets
helical; axial filaments for motility
a simple, commalike curve
name means "little staff"
golgi complex belongs to what type of cell?
meiosis occurs in reproduction in what type of cell?
usually single circular chromosomes without histones
sterols generally present in what type of cell membrane?
what cell wall almost always contains peptidoglycan
nucleus bounded by a membrane is what kind of cell?
contain pigments for photosynthesis by bacteria; found in the plasma membrane
gram-negative bacterial calls after their treatment with lysozyme
specialized external structures that assist in the transfer of genetic material between cells
numerous short, hairlike appendages that help in attachment to mucous membranes
general term for substances surrounding bacterial cells
polysaccharides found in the cell wall of many gram-positive bacteria
inclusion of iron oxide
metachromatic granules of stored phosphate in prokaryotes
entrance of fluids and dissolved substances into eukaryotic cells
membrane-enclosed spheres in phagocytic cells that contain powerful digestive enzymes
the "powerhouse" of the cell
a gel-like fluid found in the eukaryotic nucleus
a folded inner membrane found in mitochondria
sometimes contributes to movement of a cell
found in walls of acid-fast bacteria
arrangement of flagella distributed over the entire cell
a single flagellum at each end of the cell
a widening at the base of the flagellar filament
an enzyme affecting gram-positive cell walls; found in tears
a compound found in bacterial endospores
a compound frequently found in the cell walls of yeast
closely involved in protein synthesis
structures characteristic of both eukaryotic and prokaryotic plasma membranes
found in the flagella and cilia of eurkaryotic cells
highly resistant bodies formed by a few bacterial species
small circular DNA molecules that are not connected with the main chromosome
the semifluid center portion of the mitochondrion
a substance similar to peptidoglycan that is found in the cell wall of archaea
bacteria with irregular morphology
extracellular plymeric substances on some bacterial cells; may help cells adhere to surfaces
bacterial cell with thin peptidoglycan layer, outer membrane of lipopolysaccharide
protein that forms fimbriae
bundles of microtubules that probably play a role in cell division of eukaryotic cells
bacteria that have lost their cell walls and may later spontaneously regain them
ER associated with ribosomes
ingrowth of plasma membrane before endospore formation
anchors the flagella of bacteria to the cell wall and plasma membrane
chemically, the capsule is a ______, a polypeptide or both
capsules protect pathogenic bacteria from ______, a process by which protective host cells engulf and destroy microorganisms
the golgi complex consists of flattened sacs called ______ that are connected to the endoplasmic reticulum
the ______ complex consist of four to eight flattened sacs connected to the ER. The function is largely secretion of proteins, lipids, and carbs
the term ______ means a lower concentration of solutes outside the cell than inside
three examples of passive diffusion across a membrane are:
simple diffusion, osmosis, facilitated diffusion
the protein in the flagellar filaments of bacteria is called
DNA in eukaryotic cells is combined with protein ______ and nonhistones
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