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Across 4. a hexose sugar found especially in honey and fruit. 6. having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid. 7. is a molecule that contains the instructions an organism needs to develop, live and reproduce 10. the semipermeable membrane surrounding the cytoplasm of a cell. 12. relating to or resulting from living things, especially in their ecological relations. 13. a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane. 14. any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids 16. the spreading of something more widely.

Down 1. It is the high-energy molecule that stores the energy we need to do just about everything we do. 2. relating to, involving, or requiring an absence of free oxygen. 3. solution is one where the concentration of solutes is greater outside the cell than inside it. 5. Fats 8. (in informal use) a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring. 9. a simple sugar that is an important energy source in living organisms and is a component of many carbohydrates. 11. physical rather than biological; not derived from living organisms. 15. is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.