Compare and contrast the following pairs of vocabulary words.
1. speed—velocity
2. distance-displacement
3. average speed-instantaneous speed
4. balanced force—net force
5. force-inertia
6. acceleration-velocity
7. velocity—instantaneous speed
8. force-net force
9. force-acceleration

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:

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves