How are the differences among shielded volcanoes, stratovolcanoes, and cinder volcanoes explained by the composition of their lavas and other factors?

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Nucleic acid certain protein cell membranes certain carbohydrates

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.