Adna replication bubble forms at a specific sequence of bases called the see section 15.3 ( page 321) . a dna replication bubble forms at a specific sequence of bases called the see section 15.3 ( page 321) . topoisomerase origin of replication dna polymerase leading strand lagging strand

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

Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome

What does the number 18.9984 represent in the image?