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16 Cards in this Set
- Front
- Back
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Bacteria
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a single celled organism found throughout nature and can be both harmful and beneficial to humans.
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Gram-positive vs. Gram-negative bacteria
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- Positive- stained dark blue by Gram staining (Have more peptidoglycan in cell walls, so can retain the dye.
- Negative- stained pink/red by Gram staining |
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Virus
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a submicroscopic infectious agent consisting primarily of a protein coat surrounding a core of RNA or DNA which is only capable of replicating within living cells
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Antibiotic
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a substance produced by a microorganism capable of inhibiting or killing another microorganism
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Antimicrobial
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substance capable of inhibiting or killing a microorgansim (bacteria, fungus, parasites, viruses)
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Mechanisms of antibiotic action
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1. Inhibition of nucleic acid synthesis
2. Inhibition of protein synthesis 3. Action on cell membrane 4. Interference with enzyme system 5. Action on cell wall |
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Define antibiotic resistance
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Process or state in which microbes previously susceptible to an antibiotic are no longer inhibited or destroyed by that antibiotic
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3 molecular mechanisms of resistance
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1. Mutation
2. Inactivation or destruction 3. Efflux |
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3 methods of genetic transfer
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Conjugation: plasmid transfer
Transformation: transfer of free DNA Transduction: transfer by viral delivery |
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WHO – predicts some diseases will have no effective therapies within the next...
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ten years
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2 states who have allowed recreational marijuana use since 2012?
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Washington and Colorado
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How many states allow medical marijuana use?
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18
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How many chemicals in marijuana? How many of those are cannabinoids?
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Over 400; 60
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Neurological process w/ THC
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When present, THC binds to cannabinoid receptors in place of the neurotransmitter anandamide --> interferes with normal neural pathway/activity
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What is THC's half-life?
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20 hours - 10 days
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True/False- marijuana is the safest therapeutic active substance known
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true
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