POSSIBLE POINTS 1 2 DIRECTIONS: Study the diagrams below. Identity how many atoms, elements, molecules, and compounds there are
Total # of atoms
# of elements
# of molecules
# of compounds
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"do a testcross with a homozygous recessive plant."

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:

you're crazy : )