Which liquid was positive for lipids?

Words: 378
Pages: 2
Subject: Biology

OiloVegetable, canola, olive, etc.oJust clean and in liquid form.•WateroCan be bottled or from the faucet.•Sugaror Sugar SubstituteoWhatevertype of sugar, sugar substitute, or honeyyou have on hand.oMix at least a teaspoonwith ¼cup warm water.Make sure granulesdissolve. •IodineoSmall bottle,can be found in first aid section at most stores. oThis is safe to get on your skin, it’s just a disinfectant, but it will stainskin, clothesplastic dishes, white counters, etc.•1-2 teaspoonsof flour, cornstarch, corn meal, or dry instant mashed potatoes, or all if you’re feeling froggy.oMix 1-2tablespoonsof dry substance with ¼cup of warm water.•Small containers or bowls, at least 6.oThey don’thave to be clear, but you need to be able to see into them well to see color changes.oGlass will work best to prevent staining from the iodine.•A small piece of food that you pick from your kitchen. oThis can be a couple pieces of cereal, small piece of cheese, chips, a piece of banana, any food item really. ▪If it’s a dry food, crunch it up well and mix it with 2-3 tablespoons of water.▪If it’s a fruit or vegetable, you don’t need to mash it up or add water, just make sure it’s peeled showing the interiorof the fruit or vegetable.•1 piece of construction paper, piece of brown paper bag, or cardboard cut into two pieces.oThese two pieces can be kind of smaller if you can’tfind a big piece, 2 inches by 2 inches is really all you need. Lipid Test–Tests for lipids in a liquid.Wet look after drying is a positive for lipids.If the drop dries back to the original color, then it is negative.Procedure: 1.Get your two pieces of cardboard, construction paper, or brown paper bag.2.Place a place under each to prevent oil getting on anything.3.Place a drop of water on one.4.Place a drop of oil on the other. 5.Let these sit until your drop of water is dry.6.Which liquid was positive for lipids? You can also try this with salad dressings, Marinades, etc.You will notwrite a lab report over the lipid test but there will be questions on your Lab 4 Quiz pertaining to this Portionand your results.