As an essential amino acid, leucine cannot be synthesized by animals. Consequently, it must be ingested, usually as a component of proteins. In plants and microorganisms, leucine is synthesised from pyruvic acid by a series of enzymes:
Electricians in California earned an average of $27.33 per hour and $56,840 per year as of May 2009, according to the U.S. Bureau of Labor Statistics. Average annual salaries in California were more than 11 percent above the U.S. national average of $50,850.
The average Electrician income in these states ranges between $66,850 and $69,010 per year. Nearly all Electricians belong to an organized labor union, which rewards longevity through pay increases. This means the more experience you have, the more money you can expect to earn.he average Electrician income in these states ranges between $66,850 and $69,010 per year. Nearly all Electricians belong to an organized labor union, which rewards longevity through pay increases. This means the more experience you have, the more money you can expect to earn.