NS ePrep Course – Life Science

Crossword Puzzle

Ground Rules of Metabolism

Crossword Puzzle on Ground Rules of Metabolism in NS Life Science

ACROSS
4. an organic cofactor.
6. process by which a cell takes in a small amount of extracellular fluid (and its contents) by the ballooning inward of the plasma membrane.
7. describes a fluid that has a low solute concentration relative to another fluid.
10. the acceleration of a reaction rate by a molecule that is unchanged by participating in the reaction.
12. describes a reaction that ends with a net release of free energy.
13. reaction in which a phosphate is added to a molecule.
15. diffusion of water across a selectively permeable membrane; occurs in response to a difference in solute concentration between the fluids on either side of the membrane.
16. molecule that an enzyme acts upon and converts to a product; reactant in an enzyme-catalyzed reaction.
20. pressure that a fluid exerts against a structure that contains it.
21. a molecule that enters a reaction and is changed by participating in it.

DOWN
1. spontaneous spreading of molecules or atoms through a fluid or gas.
2. “cell eating”; type of receptor-mediated endocytosis in which a cell engulfs a large solid particle such as another cell.
3. describes a reaction that requires a net input of free energy to proceed.
5. process by which a cell expels a vesicle’s contents to extracellular fluid.
8. measure of how much the energy of a system is dispersed.
9. the capacity to do work.
11. substance that interferes with the oxidation of other molecules.
14. describes a fluid that has a high solute concentration relative to another fluid separated.
17. a molecule or metal ion that associates with an enzyme and is necessary for its function.
18. describes two fluids with identical solute concentrations.
19. a molecule that is produced by a reaction.

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