It has also been used as a term for a hangover, with the sufferer's groans of discomfort being humorously likened to a wailing cat. It may refer to: 1  Worbey & Farrell, previously known as Katzenjammer, a British piano musical comedy duo.  Katzenjammer (band), a Norwegian pop/folk band.
Zinc (Zn) is one of the eight essential micronutrients. It is needed by plants in small amounts, but yet crucial to plant development. In plants, zinc is a key constituent of many enzymes and proteins. It plays an important role in a wide range of processes, such as growth hormone production and internode elongation.
What is zinc and what does it do? Zinc is a nutrient that people need to stay healthy. Zinc is found in cells throughout the body. It helps the immune system fight off invading bacteria and viruses. The body also needs zinc to make proteins and DNA, the genetic material in all cells. During pregnancy, infancy, and childhood, the body needs zinc to grow and develop properly. Zinc also helps wounds heal and is important for proper senses of taste and smell. How much zinc do I need? The amount of zinc you need each day depends on your age. Average daily recommended amounts for different ages are listed below in milligrams (mg):