Joy has a DNA sample from each of five unknown animals. She wants to find the molecular mass of each sample to determine which sample belongs to which animal. Which method should she use? A. Gel electrophoresis of the DNA samples
B. Transformatiion of different E. coli strains using the DNA samples
C. Paper chromatography of the DNA samples

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Compare the composition of the moon's surface with the composition of the earth's surface.

Which is the correct formula for photosynthesis