When placed in an electrical field, the negative charge found in the sugar-phosphate backbone of DNA polymers cause them to migrate towards the positive electrode.
<span>In gel electrophoresis, electricity is used to separate fragments of DNA based on its length. DNA is place in a porous gel. The pores of the gel restricts the movement of the DNA. It then creates fragments on the DNA because its movement varies on its lengths. </span>
Answer:
When Zinc reacts with hydrochloric acid the following reaction takes place:
Zn+2HCl→ZnCl
2
+H
2(g)
↑
Here 1 molecules of hydrochloric acid taking part in the reaction,the number of molecules of hydrogen produced in the reaction.
4molesofHCl×
2molesofHCl
1moleofH
2
=2molesofH
2
Answer:
Newton's law of universal gravitation. Newton's law of gravitation, statement that any particle of matter in the universe attracts any other with a force varying directly as the product of the masses and inversely as the square of the distance between them.
Explanation:
That's the definition hope it helps.
Answer is
3) how much mass per unit of volume is in a substance