The answer is B. The level of classification increases. In 1950 scientists grouped all living things into five kingdoms which include animals, plants, bacteria, fungi and protista. It was untill 1990 that the scientist realized that bacteria and archaea have different distinct characteristics.
C because pollution is harmful to life
Answer:
it is genetic material and its found in da nucleus
Answer:
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust. The lowest layer of the atmosphere is denser than the upper layer.
Answer: Western Blotting
Explanation:
The sample is first denatured followed by the gel electrophoresis. Animal derived or synthetic antibody is produced which has the ability to bind to the protein.
The electrophoresis membrane is then washed by primary antibody before the excess antibody is washed off.
Then the secondary antibody is added to get attached to the primary antibody and then it can be visualized by immunofluorescence or some other method.
