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.
California ranks No. 5 in the country for average salary for workers across all employeeâ¦ more. The average salary is about $51,910, or an average hourly pay of $24.96. That covers 14,038,950 workers. Although not a state, the District of Columbia has the highest average annual salary at $74,540. The typical worker earns 36 percent more in the district than in any of the 50 states.