Term
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Definition
| Make C + E to make everything you need |
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Term
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Definition
C from organic Compound;
E from sunlight |
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Term
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Definition
C from CO2;
E from inorganic molecule |
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Term
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Definition
| get C and E from nutrients |
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Term
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Definition
C from organic compound;
E from sunlight |
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Term
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Definition
C from organic compound;
E from organic compound; |
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Term
| What type of cell are our cells? |
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Definition
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Term
| What is the most medically important cell type? |
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Definition
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Term
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Definition
superoxide free radicals (O2-)
infear with proteins
specialize enzyme deals with this problem
Hydrogen Peroxide: (H2O2)
enzyme fix
Singlet O2: e- get boosted and fall back
Hydroxyl Radicals: OH-
disrupt protein and lipid |
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Term
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Definition
STRICT!!!
must have O2 to survive |
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Term
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Definition
cannot have O2
ex. botchulism |
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Term
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Definition
| Prefer O2 but can survive without it |
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Term
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Definition
need a little bit of O2
too much O2 will kill them |
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Term
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Definition
| do not need O2 but can survive in the presence |
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Term
| What is the average life span? |
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Definition
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Term
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Definition
grows to critical size
either will die or split through binary fission |
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Term
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Definition
dna replication
cell elongates
dna splits
septum forms
2 identical cells |
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Term
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Definition
| change in # of cells in a culture over a period of time |
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Term
| What is on the axis of the growth rate? |
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Definition
# of cells on y
time on x |
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Term
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Definition
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Term
| What does it lean if there is no lag? |
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Definition
| taken from identical media |
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Term
| what does it mean if there is a straight drop off of decline? |
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Definition
| lysis, maybe too much water |
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Term
| What happens if there is no stationary phase? |
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Definition
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Term
| Affectors of Growth Cycle? |
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Definition
Temperature
pH
water
Chemicals |
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Term
| What happens if a cell gets to cold? |
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Definition
| it will either die, or metabolism will slow down |
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Term
| What happens if the cell gets too hot? |
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Definition
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Term
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Definition
hate heat
optimum= 10c
glaciers, Antarctica |
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Term
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Definition
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Term
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Definition
most common!!!
optimum 37c |
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Term
thermophiles
extreme thermophiles |
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Definition
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Term
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Definition
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Term
| does media have to have the same pH? if so how do we accomplish this? |
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Definition
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Term
| three names of cells based on pH? |
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Definition
acidophiles <6
alkaphiles >8
Neutraphiles 6-8 |
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Term
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Definition
prefer salty environments
>15
hypertonic solutions |
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Term
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Definition
with stand up to 15% salt!
gram + |
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Term
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Definition
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Term
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Definition
| Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfer, Trace Elements |
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Term
| Chemically Defined (synthetic) Media |
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Definition
| know exactly what its made of |
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Term
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Definition
| mixed with auger, dont know whats in it, most of what we use! |
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Term
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Definition
becomed Reducing Media
obligate anearobes
chemicals in media which release H |
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Term
| Selective Media does what? |
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Definition
| tests for gram + or gram -; only allows one to grow |
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Term
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Definition
| specific nutrient to see if is metabolized by the bacteria; if so a color change appears. |
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Term
| What does the Maconkey plate show metabolizing of? |
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Definition
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Term
| What does the EMB plate test for? |
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Definition
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Term
| What does the MSA plate test for? |
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Definition
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Term
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Definition
refrigerating- up to 2 weeks
deep freezing- months-year
freeze-drying- long periods of time |
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Term
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Definition
Disinfection
Antisepsis
Asepsis
Sterilization
Commercial Sterilization |
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Term
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Definition
| killing or inhibiting growth on nonliving things |
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Term
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Definition
| disinfecting living things |
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Term
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Definition
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Term
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Definition
| complete destruction of microorganisms |
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Term
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Definition
| getting rid of medically important bacteria |
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Term
| 4 ways to destroy bacteria |
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Definition
harm cell wall
denature proteins
damage DNA/RNA
damage ribosomes |
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