Provide a term that matches each description below. a. Mixture of liquids that a

Question

Provide a term that matches each description below. a. Mixture of liquids that are usually immiscible _______________ b. Reagent used to test for the presence of starches _____________ c The pH at which the net charge of a protein is zero ____________ d Chemical test for the presence of simple carbohydrates such as lactose ______________ e Major class of proteins found in milk ____________ f Chemical test for the presence of proteins _______________ g Solid mixture of protein and fat formed by adding acid to milk __________________ h Aqueous liquid formed by removing proteins and fat from milk___________ Complete each sentence below. a. The first step in the separation scheme for milk involves removing the curds by treating the milk with __________ and _________. b The curds are removed from the aqueous portion (whey) by ___________ is removed from the curds by mixing the solids with ethyl acetate, leaving behind a relatively pure protein called ____________. d. Water-soluble _________ are precipitated by heating the whey, leaving an aqueous mixture primarily composed of _______________ and _____________. Explain why ethyl acetate, a nonpolar solvent, can used to separate the nonpolar fats from the protein.

Explanation / Answer

1.

A) emulsion

B) iodine dissolved in KI solution

C) isoelectric point

D) Benedict test

E) Casein and whey

F) biuret test

G) curd

H) whey

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