What organelle is the control center for the cell and holds the dna

Which of the following graphs have the same wavelengths

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.