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).
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Answer:
2nd 3rd and 4th are the right statements
Explanation:
B) Fixation
The remaining processes do not help the Nitrogen content in the soil very much.
Answer:
The electromagnetic (EM) spectrum is the range of all types of EM radiation. ... The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light, ultraviolet light, X-rays and gamma-rays. You know more about the electromagnetic spectrum than you may think.
Explanation:
I think you just answered your question. They encourage adolescents to eat calcium-rich foods because it aids in bone formation, like you said.
