The monomer of DNA is nucleotides. Which type of macromolecule is DNA

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent