bio 181 lab practical questions and answers graded A+

bio 181 lab practicalbiuret test - correct answer test for proteins positive is purple starts blue IKI test - correct answer tests for starch positive is blue starts yellow negative is yellow Benedict's test - correct answer Test for reducing sugars positive is green +/ orange ++/ red +++ starts as clear negative is blue/purple hypotonic to environment - correct answer water leaves the cell cell is hypersonic to environment - correct answer water enters the cell Isotonic - correct answer when the concentration of two solutions is the same Beaker - correct answer used to hold liquids flask - correct answer bottle that has a narrow neck used to hold liquid graduated cylinder - correct answer used to measure the volume of a liquid