What tools and equipment should Curt select for his investigation? What procedure will he use what data will he collect? How will he decide if his hypothesis is correct? Curt wants to know more about light how will the shape of the mirror affect the angle at which the mirror reflects light.

helicase, i think thats it

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:

the answer is 95 degrees