Answer:
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Nonvirulent bacteria can still be transformed into virulent bacteria if it is combined with debris from heat-killed virulent bacteria that is first treated with RNase, protease, or no enzyme because these are important factors for the establishment of virulence and are often required when bacteria modify their genetic record in response to the conflicting or adverse situations.
Answer:
Matrix of blood
Explanation:
Plasma is known as the upper phase, obtained after centrifugation of the blood. It is essentially the matrix of the blood: water, sugars, salts and small proteins. The rest of the larger components, such as platelets, red and white blood cells will remain in the lower phases, depending on their size and mass.
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Answer:
Explanation:
On Earth, the common weather phenomena include wind, cloud, rain, snow, fog and dust storms. Less common events include natural disasters such as tornadoes, hurricanes, typhoons and ice storms. Almost all familiar weather phenomena occur in the troposphere (the lower part of the atmosphere).