For the following structural characteristic, decide if it is a characteristic of dna, a characteristic of rna, a characteristic of both dna and rna, or a characteristic of neither dna nor rna. it contains uracil as a base.
dna
rna
both dna and rna
neither dna nor rna

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What is the molecular weight of copper

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water