Bio Lab Flashcards
Benedict’s reagent
Reducing sugar
Lugols iodine
Starch
Sudan IV
Lipid
Biuret reagent
Protein
Biuret reagent negative
Blue
Biuret reagent positive
Pale purple
Acid neutral or base : water
Neutral
Acid neutral or base: KOH
Base
Acid neutral or base: More H+ less OH-
Acid
Acid neutral or base: ph at 7
Neutral
Acid neutral or base: Ph below 7
Acid
Acid neutral or base:H+ equals OH-
Neutral
Acid neutral or base: ph above 7
Base
Acid neutral or base: sulfuric acid
Acid
Acid neutral or base: less H+ more OH-
Base
Non polar , does not interact with water (spray butter coconut oil)
Hydrophobic
Interacts with water , polar (salt sugar bleach)
Hydrophilic
Hydrophilic polar nonpolar?
Polar
Benedict positive color
Yellow ish red brown (og is blue)
Lugols iodine (Starch) positive
Blue ish black (og brown)
Biuret ( protein) positive
Purple (Og light blue)
Sudan positive
Stronger red? (Og pale red)
Adhesion
Water is attracted to other substances
Cohesion
Water is attracted to water