in a single polymerase chain reaction (pcr) cycle consisting of 15 seconds at 94°c, 30 seconds at 50°c, and 1 minute at 72°c, what is happening in the step run at 50°c?

Dwayne filled a small balloon with air at 298.5 k. he put the balloon into a bucket of water, and the water level in the bucket increased by 0.54 liter. if dwayne puts the balloon into a bucket of ice water at 273.15 k and waits for the air inside the balloon come to the same temperature, what will the volume of the balloon be? assume the pressure inside the balloon doesn’t change. type the correct answer in the box. express your answer to the correct number of significant figures. the volume of the balloon at 273.15 k is liters.

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f