Explain why complementary base pairing is necessary to maintain the double helix shape of the dna molecule.

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?

What is the similarities and differences between bacteria and eukaryote?

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder