15. the cell in the picture has been placed into a hypertonic solution as shown. the dots represent a solute (such as salt or sugar) that has been
dissolved in water. note, the water molecules are not shown. assuming that the cell membrane is permeable to water and not to the solute
what will happen to the size of the cell over time and why?

9. the history of life on earth is recorded in

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.