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Sever21 [200]
2 years ago
12

A usable dilution of disinfectant is one that prevents growth of bacteria when compared with the positive control tube. reduces

the growth of bacteria when compared to the positive control tube. increases the growth of bacteria when compared to the positive control tube.
Biology
1 answer:
dolphi86 [110]2 years ago
7 0

When compared to the positive control, a disinfectant dilution is considered to be useful if it stops bacterial growth.

Choosing a disinfectant:

When selecting a disinfectant, keep the following things in mind:

  • The range of bacteria that need to be eliminated. Look into the specifications of the manufacturers.
  • The conditions of usage of disinfectant.

Application of disinfectants :

  • Activity: it is necessary for efficient disinfection since, once diluted, it degrades over time. Different disinfectants deteriorate at different rates. Obtain data from the manufacturers. Disinfectants that don't have a color indication, like Virkon, should be marked with an expiration date.
  • Touch time: it has to be verified that the manufacturer's data to make sure the organism stays in contact for the specified amount of time. Considering that solid materials like cells and tissue granules are difficult for disinfectants to penetrate, autoclaving would be a more effective way to inactivate.

Therefore the correct choice is an option (A).

Learn more about disinfectants here:

brainly.com/question/26199691

#SPJ4

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