Secondary Structure. Stretches or strands of proteins or peptides have distinct characteristic local structural conformations or secondary structure, dependent on hydrogen bonding. The two main types of secondary structure are the Î±-helix and the Ã-sheet. The Î±-helix is a right-handed coiled strand.
A lower US corporate income tax rate will provide important benefits to the US economy, US. households, and the US tax system: ï· Increased competitiveness of the United States in the global economy. ï· Increased capital investment in the United States. ï· Increased employment and living standards for Americans.
Topic Number 556 - Alternative Minimum Tax Under the tax law, certain tax benefits can significantly reduce a taxpayer's regular tax amount. The alternative minimum tax (AMT) applies to taxpayers with high economic income by setting a limit on those benefits.