Which best describes the cell theory?
o
scientists know all there is to know about cells, so the cell theory will not change.
as technological advancements are made, the cell theory may change.
a theory, once formulated, cannot be changed.
the development of a synthetic cell has caused the cell theory to change.

Which of these is the most likely consequence of falling petroleum price

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

What enzyme is most important for dna replication and why?