Which of the following are threadlike linear strands of dna and proteins that carry the genes and functions in the transmission of hereditary information for living organisms?
a. cells
b. chromosomes
c. mutations
d. chloropyll

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

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: