Bacteria I
a pathogen is best described as?
a disease causing microbe
what shape is a bacillus bacterium?
elongate
antiseptics are used to kill bacteria what ?
in a cut
during binary fission, bacteria will
divide by mitosis and double their number
the genetic material of a retrovirus will organize the synthesis of what?
DNA from its RNA structure
what proteins are released by white blood cells to deactivate foreign in cells?
pathogens
passive immunity typically causes what? ....
causes antibody production
what did Jenner infect into people to vaccinate them against small pox?
fluid from cowpox blisters
agar is prepared from what?
seaweed
name 3 shapes of bacteria?
rod, sphere, spiral
what is the most known characteristic of bacteria?
it is common and abundant
organisms that generally use oxygen, but can survive without it are called?
facultative anaerobes
what does viral specificity result from?
the wide distribution of viruses
biotechnology is NOT currently used to produce what?
- viruses
- certain medicines
Macroscopically, bacteria colonies CANNOT be distinguished from each other by what?
cell shape
what would NOT be found in a material cell?
Lysosome
a bacterium that makes its food using chemical energy is a ?
chemosynthetic autotroph
where does E coli live in?
intestines of people and animals
the cell walls of gram positive bacteria contain what?
carbohydrates that absorb crystal violet
Interleukins, proteins released by certain white blood cells function to what?
to absorb pathogens in the blood stream
retroviruses are medically significant because they inject ?
genetic material that produces cancer- causing genes
in one hour, given ideal growing conditions, a small colony of 10 bacterial cells could grow to include how many cells?
80 cells
structurally, bacteriophage (T4) is an arrangement of what?
proteins around a DNA chromosome
a prophage is BEST described as
an active genetic material
what is the order of sequence in which describes conjunction?
DNA replication, genetic transfer between cells, genetic recombination