The property of DNA which causes it to migrate to the positive pole of the electrophoresis apparatus is B. the negative charge of the DNA.
It acts just like a magnet - positive and negative forces attract.
The best and most correct answer among the choices provided by your question is the third choice or letter C.
Plant cells are usually box-shaped, while animal cells tend to be irregularly shaped because u<span>nlike plant cells, animal cells lack a cell wall. </span>
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The factor that explains most of the difference in standards of living among countries around the world is PRODUCTIVITY.
One major measure that can be used to determine the standard of living of people in a particular country is the growth rate of the its Gross Domestic Product [GDP] per capita. The growth rate of GDP is a reflection of the labour productivity of that country. Labour productivity refers to the measurement of the amount of goods and services that are produced in a country by one hour of labour. An increase in productivity signifies an increase in the standard of living of the people in the country. Labour productivity differs from one country to another and this result in difference in the standard of living.
