Quiz 5: Organic Compounds

Name test for Saccharides & colors

Benedict’s Test

• glucose pos (+): red

• glucose neg (-): blue

Name test for Polysaccharides & colors

Lugol’s Iodine:

• starch neg (-): orangey yellow

• starch pos (+): black

Test for lipids & colors

Sudan IV:

• lipid pos (+): red

• lipid neg (-): pink

Tests for Emulsifiers & colors

Tween Test

• emulsifier pos (+): homogenous

• emulsifier neg (-): seperated

Tests for Protein & colors

Biuret’s Test:

• Albumin pos (+): purple

• Albumin neg (-): blue

monomer of carbs & example of one

• monosaccharide

  • glucose

polymers of carbs & example of one

• polyssacharides

  • starch/glycogen

Monome of lipids

glycerol & fatty acids

Example of lipid polymer

triglycerides

1 single bond lipid & what in room temp

• saturated fats

• solid (i.e. butter)

double/triple bonds of lipids and what in room temp

• unsaturated fats

• liquid (i.e. oil)

Monomers of proteins

amino acids

4 parts of a protein!

• central carbon

• Hydrogen (H+) atom

• Radical (R) group

• carboxyl & amino functional groups

Polymer of protein & example of one

• Polypeptides

  • hemoglobin 🩸

Monomer of nucleic acids

nucleotides

Polymer of nucleic acids

polynucleotides