Pan-frying monkfish is just one of the many cooking methods to use with this versatile fish, but is probably the most popular. One fillet is sufficient for one person, but due to the high water content of the fish, be aware that fillets may shrink during the cooking process.
The plastic is polymer. Polymers can be thermal and electrical insulators. For example, pots and pans handles are made of polymers, so are insulated cups, coolers, and microwave cookware. Remember that styrofoam is a trademarked name of the Dow chemical company for its brand of polystrene foam. It works by reducing a process known as heat transfer.
If you're trying to proof yeast, as others have said, put 1/4 tsp of the yeast in water. The amount of water doesn't matter too much, 1/4 to a cup are both good, as long as its not more water than the recipe calls for.