I need to have 5 different Petri dishes each having different concentrations of salt. How do I increase the salt concentration of a nutrient agar powder? Do I just add salt to it and add water.

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

Anton created a chart listing different types of materials. which best complete the chart?