Suppose your professor handed you a test tube with 3 ml of an E. coli culture in it and told you to make a 10-3 dilution of the entire culture volume with water. What would your final volume (V2) of the dilution need to be in order to get this dilution?

Where is energy trapped inside the organelle chlorophyll

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil