Which statement correctly compares DNA and RNA? DNA is made up of a single strand, and RNA is made up of a double strand.
DNA is made up of a double strand, and RNA is made up of a single strand.
Both DNA and RNA are made up of a single strand.
Both DNA and RNA are made up of a double strand.

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

Which system revise and send electrical signals throughout the body

What type of genetic drift would be simulated if all the beans that were not selected died out?