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:
D. The genotype and the environment both affect phenotype.
Explanation:
The correct answer is that bones do not have a role in glycogen production. Glycogen is only produced by two organs of the body; the muscles and the liver. Bones and bone structures function to support movement by serving as insertions for the muscles. The tissue inside the bone is called the bone marrow; which is divided into red marrow (functions for blood cell formation) and yellow marrow (functions to store fat).
When a muscle receives nerve signal contracts and pulls on a tendon.
In mitosis cytokinesis occurs once in meiosis is occurs twice.