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alpha and omega
alpha-blocker
Alpha Centauri
alpha-chymotrypsin
alpha decay
alpha emission
alpha emitter
alpha-fetoprotein
alpha helix
alpha-hydroxy acid
alpha male
alpha particle
alpha ray
alpha-receptor
alpha rhythm
alpha source
alpha stock
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alpha helix
al·pha he·lix (plural al·pha hel·i·ces or al·pha he·lix·es)


noun 
Definition:
 
protein structure: a helical protein structure consisting of amino acids stabilized by hydrogen bonds
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