Linoleic acid is an omega-6 fatty acid because it has a double bond six carbons away from the omega carbon. Linoleic acid plays an important role in lowering cholesterol levels. Alpha-linolenic acid is an omega-3 fatty acid because it has a double bond three carbons away from the omega carbon.
A federal estate tax return (form 706) must be filed by the executor for the estate of every U.S. citizen or resident whose gross estate, plus adjusted taxable gifts is more than $3,500,000. THE FEDERAL ESTATE TAX SAGA 2010 AND BEYOND. The federal estate tax was repealed for 2010.
Every domestic estate with gross income of $600 or more during a tax year must file a Form 1041. If one or more of the beneficiaries of the domestic estate are nonresident alien individuals, the personal representative must file Form 1041, even if the gross income of the estate is less than $600.