One way in which a virus gains control of a cell is to direct the synthesis of new viral proteins. Therefore, the synthesis of mRNA is a central issue for all viruses. How does a retrovirus like HIV that causes AIDS achieve this goal

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

answer///multiple alleles;