A woman adds 200 grams of water to a pot. She places the pot on the stove and heats the water to its boiling point. After 15 minutes, she determines the mass of the contents of the pot. She measures 100 grams of water. She concludes that this investigation refuted the law of conservation of mass. Evaluate her conclusion

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?