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2. What proteins are in milk? - Socratic

   socratic.org/questions/what-proteins-are-in-milk

   The total protein component of milk is composed of numerous specific proteins. There are two major categories of milk proteins that are broadly defined by their chemical composition and physical properties. The primary group of milk proteins are the caseins and make up the largest structures in the fluid portion of the milk - the casein micelles. Each casein micelle is roughly spherical and ...

3. How do you calculate dilution factor? + Example - Socratic

   socratic.org/questions/how-do-you-calculate-dilution-factor

   You divide the final volume by the initial volume. "DF" = V_f/V_i EXAMPLE 1: What is the dilution factor if you add a 0.1 mL aliquot of a specimen to 9.9 mL of diluent?

4. How do you calculate serial dilutions? + Example - Socratic

   socratic.org/questions/how-do-you-do-serial-dilution-calculations

   You multiply the original concentration by the dilution factors for each dilution. A serial dilution is any dilution in which the concentration decreases by the same factor in each successive step. In serial dilutions, you multiply the dilution factors for each step. The dilution factor or the dilution is the initial volume divided by the final volume. DF = V_i/V_f For example, if you add a 1 ...

5. Why are proteins water soluble and why do they become not ... -...

   socratic.org/questions/why-are-proteins-water-soluble-and-why-do-they-become...

   To form a functional protein, the amino acid chain is folded in a way that the hydrophobic parts end up on the inside and the hydrophylic parts on the outside. This way a stable, water soluble protein is formed. Denaturation changes the 3D shape of proteins and (parts) will unfold.

6. What is the enzyme that helps digest cheese? + Example - Socratic

   socratic.org/questions/what-is-the-enzyme-that-helps-digest-cheese

   Cheese contains mainly milk protein casein. For digestion of protein, proteolytic enzymes are needed. a) Such enzymes are present in gastric juice (e.g. pepsin) and also in pancreatic juice (e.g. trypsin, chymotrypsin). b) Protein is broken down first in long polypeptides within stomach and then in smaller peptones within small intestine.

7. Mixture Problems - Algebra - Socratic

   socratic.org/algebra/systems-of-equations-and-inequalities/mixture-problems

   How do you find how many quarts of 5% butterfat milk and 2% butterfat milk should be mixed to yield 45 quarts of 4% butterfat milk? A mixture of 30 pounds of candy sells for $1.10 a pound. The mixture consists of chocolates worth $1.50 a pound and chocolates worth 90 cents a pound.

8. Dilution Calculations - Chemistry - Socratic

   socratic.org/chemistry/solutions-and-their-behavior/dilution-calculations

   Dilution is the process of lessening the concentration of a solution. Dilution calculations require knowing the volume and concentration of a substance.

9. How would the world be different if the Columbian Exchange never...

   socratic.org/questions/how-would-the-world-be-different-if-the-columbian...

   The Americas would have few domesticated animals. The horse that became ionic in the plains Indians came from Europe. Cows and Oxen would not provide meat, milk and in the past muscle for plowing and hauling would not exist. Even the humble chicken with its eggs would not be a source of protein.

10. How can I calculate the percent concentration of a solution?

    socratic.org/questions/how-can-i-calculate-the-percent-concentration-of-a-solution

    The percentage concentration of any solution is most commonly expressed as mass percent: Mass % of any component of the solution = (Mass of the component in the solution / Total mass of the solution) x 100 Other methods are: Volume percentage: Volume % of a component = (Volume of the component/Total volume of the solution) x 100 Mass by volume percentage: It is the mass of solute dissolved in ...

11. How many grams of #NaOH# are required to prepare 200 mL of a ......

    socratic.org/questions/how-many-grams-of-naoh-are-required-to-prepare-200-ml...

    Let's begin with the equation for molarity: We are given the molarity and the volume of solution. The only issue is that the volume is given in mL instead of L.