BIOL 4087 Study Guide - Quiz Guide: Tokay Gecko, Skyfall, Amine
Document Summary
Noncovalent interactions: hydrogen bonds, electrostatic bonds, van der waals interactions: o h bond = 470 kj/mol; o---h bond = 23 kj/mol, noncovalent interactions are relatively weak. They are reversible at body temperature, making them dynamic. The sum of many of these interactions is strong, as they hold together proteins, dna, rna, and lipids: h-bond forms between covalently bonded o-h or n-h (electronegative atoms) and adjacent h in a similar bond. Tokay gecko has thousands of fine hairs that stick to walls via. Be able to do calculations with ph, henderson-hasselbalch equation; buffers. In biochemistry, weak acids and bases are critical. Ha h+ + a-: a buffer is a weak acid or base that resists the ph change of a solution. There is usually a window for buffer area of +/- 1 ph: henderson-hasselbalch: ph = pka + log{[a-]/[ha], physiological buffers include phosphate (intracellular buffer) and bicarbonate (extracellular buffer)
