Indicators: Lugol’s Solution (Iodine) turns starch blue-black – Benedict’s Solution (a blue solution) turns sugar red-orange when heated. – Bromthymol Blue turns acids yellow – turns CO2 yellow (carbonic acid) – Blue Litmus turns red in an acid – Red Litmus turns blue in a base – pH Paper shows acidity (pH 1 14: 1 = strong acid 14 = strong base {7 = neutral}) – – → ___________________________________________________________________________________ Chromatography separates dissolvable pigments based – on molecule density. Gel Electrophoresis sorts molecules (DNA, RNA, proteins) according to size – by using electricity to drag them through a gelatin-like medium. Classification Kingdoms Examples Bacteria Bacteria E. coli Blue-green Algae(cyanobacteria) Archaea extremophiles methanogens, halophiles
Indicators: Lugol’s Solution (Iodine) – turns starch blue-black Benedict’s Solution (a blue solution) – turns sugar red-orange when heated. Bromthymol Blue – turns acids yellow – turns CO2 yellow (carbonic acid) Blue Litmus – turns red in an acid Red Litmus – turns blue in a base pH Paper – shows acidity (pH 1 – 14: 1 = strong acid → 14 = strong base {7 = neutral}) ___________________________________________________________________________________ Chromatography – separates dissolvable pigments based on molecule density. Gel Electrophoresis – sorts molecules (DNA, RNA, proteins) according to size by using electricity to drag them through a gelatin-like medium. Classification Kingdoms Examples Bacteria Bacteria E. coli Blue-green Algae(cyanobacteria) Archaea extremophiles methanogens, halophiles
mid2017.docx