C it has high mass in a small volume
Explanation:
A substance that has a high density implies that it has a high mass in a small volume. Density of a substance is given as the mass per unit volume of space it occupies.
- Density is mathematically expressed as shown below:
Density =
- Density from the equation above is directly proportional to mass. As mass increases, the density increases.
- Volume has an inverse proportionality with density.
- As volume increases the density reduces.
- This is why solids with a fixed volume usually have higher densities than liquids that takes up the shape of containers they are introduced into.
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cerebellum is the part of her brain which has been effected
Answer:
The correct answer is - transformation.
Explanation:
Griffith's experiment was performed by Fredrick Griffith with Streptococcus pneumoniae. Streptococcus P. are rough non encapsulated streptococci that are converted into smooth encapsulated streptococci bacteria in presence of heat-killed smooth encapsulated bacteria.
This experiment was the first experiment that showed that this bacteria can get DNA by the process of transformation.
He suggested that the nonencapsulated bacteria had been transformed into the encapsulated smooth bacteria strain by the transformation process that was somehow part of the dead encapsulated strain bacteria.
Thus, the correct answer - transformation.
=2÷200
=1÷100
The ratio of 2m over 200cm is 2/100
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Answer: The correct options are
--> Disinfectants are used to inhibit or destroy pathogens,
--> Disinfection can occur by physical or chemical means,
--> Endospores and viruses can resist disinfectant treatment.
Explanation:
To prevent infectious diseases from spreading or to sterilise work area surfaces during the production of drugs, chemicals known as disinfectants as used. These are chemicals that kill or inhibit the growth of pathogens. Other chemicals such as antiseptics can also kill and prevent the growth of mainly pathogenic microorganisms. However, disinfectants are stronger chemicals than antiseptics and so are often used on non-living things and surfaces.
Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores (endospores) and viruses, so it is less effective than sterilisation.
There are generally two methods of disinfection:
--> The chemical method: A typical example of a chemical disinfectant is the carbolic acid. It is used for disinfecting lavatories and floors.
--> The physical method: here, physical agents are use to disrupt and damage the pathogenic organisms on work surfaces. Some typical example include: UV irradiation, heat, sunlight exposure, sonic or hydrodynamic pressure and radiation.