Enzymes /ËÉnzaÉªmz/ are macromolecular biological catalysts. Enzymes accelerate, or catalyze, chemical reactions. The molecules at the beginning of the process are called substrates and the enzyme converts these into different molecules, called products.ome household products use enzymes to speed up chemical reactions: enzymes in biological washing powders break down protein, starch or fat stains on clothes, and enzymes in meat tenderizer break down proteins into smaller molecules, making the meat easier to chew.
From Wikipedia, the free encyclopedia. An Audiometrist (from Latin audÄ«re, to hear; and from Italian -metria, âto measureâ ) or Audiometric Officer, is a health-care professional technician who has received special training in the use of Pure tone audiometry equipment.
Normalizing, or adjusting all your Apple iTunes music's audio levels to the same volume, is also called a Sound Check. Enabling the Sound Check feature requires resetting your playback preferences; however, older versions of iTunes do not support this feature. It is recommended you update your existing software to the latest version of iTunes to ensure Sound Check compatibility with your media library.