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26 Cards in this Set

  • Front
  • Back
tinea pedis
athletes foot
cells genetic material found
lacks membrane bound nucleus
exterior of the cell of prokaryotic cells
glyccalyx, flagellum, fibriae and pili
what is glycocalyx? what 2 states is glycocalyx found in?
cpsd of polysccahires and polypeptidesq---slime layer or capsule
whip like structure made of protein that propel micro.organisms?
flagella movement that occurs by a light stimulus?
flagella movement that occurs by chemical stimulus?
flagella at 2 ends of the cell
Neisseria gonorrhoeae
gonorrhea, uses fimbrae to adhere to the body.
what gives prokaryotic the cells its shape?
cell walll which is located outside the cell membrane
what is the cell wall composed of?
peptidoglycan--combo of peptide bonds and carbohydrates
gram pos or neg. that retain violet dye when cell is stained?
gram positive--cell wall has many layers
what is the cell membrane called in prokaryotic cells?
cytoplasmic membrane
what is the function of the cytoplasmic membrane?
provides selective barrier between the environment and the cells internal structures.
what 2 transport mechanisms used to move subs. in and out of cyto. membrane?
passive and active transport
what is the movement of water from a region of hiigher concentratation to lower concentration?
what is the m/m of a subst. across the cyto. membrane using enery provided by the cell called?
active transport. ATP contains chemical potential energy that is released by a checmical rx. within a cell.
what 2 processes move large subs. through the cyto. membrane?
endocytosis and exocytosis
Endo. uses phagocytosis and pinocyytosis. Exocytosis removes large subs. such as waste products..
what is the intracellular fluid called in prokaryotic cells?
cytosol--subst. dissolved in cytosol are involved in cell metabolism. the nucleoid is found here as well which is where the DNA is located.
where does protein synthesis occur?
ribosomes--which are located in the cytosol.
what is the target for antibiotics to kill bacteria?
ribosomes. they inhibit the bacteriums protein synthesis. These antibiotics only kill cells that have specific ribosome sed. rate.
what is the sed. rate where streptomycin and gentamycin are effective in killing bacteria?
erythromycin and chloramphenicol
kills bacteria with sed rate of 50S
how do scinentists id bacteria?
Inclusions (granules)