A standard pcr cycle includes three steps: denaturation (95°c), annealing (55°c), and elongation (65°c). Drag each ingredients of a pcr reaction into the bin labeled with the step in the pcr cycle in which it is first used.

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m

Which wave is the result of amplification and produces a louder sound

When barack obama was running for president, at a campaign stop he tried to bowl, something he isn't very good at. the media loved it because he threw a gutter ball while they were all watching. this is an example of: