Answer:
Viruses are microbes which don't need any nutrition. They don't grow,depend on food etc. Respiration is required to break down complex food materials in any organisms. Hence, virus not being to consume any food and depend on the energy of hosts; virus can't respire.
Archean and Proterozonic which are both broken into early middle and late periods
Seeds perform various functions for the plants that generate them, among them the essential function is dispersal to a new location, nourishment of the embryo, and dormancy at the time of inappropriate conditions.
Seed coat is the part of the seed that protects the seed from temperature-associated, physical, or water destruction, it helps in the protection of developing embryo, and it is the seed coat, which makes sure that the plant seed remains in a dormant state until the circumstances become ideal for the plant embryo to sprout or germinate.
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:
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