Risk which is common to an entire class of assets or liabilities. The value of investments may decline over a given time period simply because of economic changes or other events that impact large portions of the market.
Properties of the alpha-helix. 1  The structure repeats itself every 5.4 Angstroms along the helix axis, ie we say that the alpha-helix has a pitch of 5.4 Angstroms. Alpha-helices have 3.6 amino acid residues per turn, ie a helix 36 amino acids long would form 10 turns.
Answered by The Community. Making the world better, one answer at a time. The physical properties of DNA (deoxyribonucleic acid) is first structured like a twisted ladder made up of 4 different base chemical's adenine, guanine, cytosine, and thymine. To the naked eye though DNA has color in between clear and white, and is stretchy to an extent, if stretched to far it will snap.