Bio205 Chapter 7 Definitions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A substance capable of killing microorganisms | show 🗑
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| A treatment capable of inhibitingn bacterial growth | show 🗑
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| show | Sepsis
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| show | Asepsis
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| show | Thermal Death Point
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| show | Thermal Death Time
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| The time (in minutes) required to kill 90% of a bacterial population at a given temperature; also called D value | show 🗑
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| Equipment for steralization by steam under pressure, usually operated at 15psi and 121C | show 🗑
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| show | Pasteurization
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| Heat resistant | show 🗑
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| Pasteurizing at 72C for 15 seconds | show 🗑
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| A method of treating food with high temperatures 140-150C for very short times to make the food sterile so that it can be stored at room temperature | show 🗑
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| show | Equivalent Treatments
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| show | Flaming
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| Sterilization by the use of an oven at 170C for approx. 2 hours | show 🗑
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| A screenlike material that removes particles larger than 0.3um from air | show 🗑
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| A screenlike material with pores small enough to retain microorganism; a 0.45um filter retains most bacteria | show 🗑
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| The removal of water | show 🗑
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| High-energy radiation with a wavelength less than 1nm; causes ionization. Xrays and gamma rays are examples | show 🗑
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| Short-wavelength radiation that does not cause ionization (UV) | show 🗑
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| show | Microwaves
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| show | Use-Dilution Test
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| show | Disk-Diffusion Method
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| show | Phenolics
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| show | Halogens
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| show | Iodophor
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| show | Oligodynamic Action
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| show | Quaternary Ammonium Compounds (Quats)
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| show | Nitrosamines
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| show | Aldehydes
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| show | Plasma
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| show | Peroxygens
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
rewasson