Which medications have been identified to present a low risk to someone who uses them, as long as the medication is used as directed on the label?

During DNA _____, DNA molecules are split into pieces, separated using electric currents, and then compared to DNA samples from known sources (relatives of victim, suspects in crime, etc.)

Fill in the blank(s) with correct word

When pyruvic acid is converted to ________ acid for energy production, this waste product builds up and causes muscle fatigue.

Fill in the blank(s) with the appropriate word(s).