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.
Electrical engineers employed in communications equipment manufacturing earn a mean $90,870, the highest paid in the occupation are employed in oil and gas extraction for an average salary of $106,780.By far, the top-paying state for electrical engineering employment is California with an average $107,280 annually.mployment for electrical engineers is predicted to grow much slower than the national average for other professions at a rate of 6 percent, which will result in the creation of just 10,700 new jobs before 2020.