Transcription is partly controlled by proteins

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

The united states uses which source of energy to produce almost 40 percent of its electricity

What part of the body contains bile, an enzyme that break down lipids?