Test For Sugars, Starches, Proteins, And Lipids

929 Words Oct 24th, 2015 4 Pages
Purpose: The purpose of this lab was to test for sugars, starches, proteins, and lipids.
Background information:
Biological macromolecules are the large molecules necessary for life. There are four different types of macromolecules which include carbohydrates, lipids, proteins, and nucleic acids. Each macromolecule has a specific function like providing energy or simply insulation. Macromolecules are made from monomers which come together through dehydration synthesis or hydrolysis to create the polymer or macromolecule.
Carbohydrates are made from monosaccharides which are shaped like hexagons and come together to make polysaccharides which provide quick energy, structural support for plants (cellulose in cell walls) and are also found as chitin in the exoskeletons of arthropods. Lipids are made from glycerol and three fatty acids and are found in two different forms-unsaturated and saturated. Lipids provide long term energy storage, insulate and cushion, and prevent water loss. Proteins are made from amino acids which come together forming a protein with peptide bonds. Proteins serve as hormones, muscle, parts of the immune system, and enzymes but if they are the wrong shape, they can 't do their job. Nucleic acids are made from nucleotides and serve as DNA and RNA which store genetic info and transfer info to make new cells.
When conducting this experiment, certain safety precautions must be taken. Proper protective gear must be worn including goggles and closed-toed…
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