1. Explain why lipids are insoluble in polar solvents.

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Q: 1. Why should the potassium salts of fatty acids yield soft soaps?

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Q: 1.Discuss the Biochemical Tests for Lipids.

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Q: 1. Calculate the pH of the following solutions a. 2 μM HCI b. 3 x 10-³ M KOH

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Q: "There is nothing in the universe but alkali and acid from which nature composes all things."…

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Q: Describe a test for the presence of a lipid and the positive result.

A: Lipids are a form of fat or oil and they can be triglycerides, phospholipids, fatty acids,…

Q: On the pH scale, where can you find very strong acids and very strong bases? Below 7 O In the middle…

A: pH is used to describe whether an aqueous solution is acidic or alkaline (basic) in nature.  The pH…

Q: .A stock solution has a concentration of 10M. 50 mL of this stock solution is used to make 1L of a…

A: NOTE:- Since you have posted multiple questions so we will be solving the first one for you. As per…

Q: A buffer can protect against changes in pH when hydrogen ion or hydroxide ion is added to a reaction…

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Q: Order the following from polar to nonpolar. Acetone Nitromethane

A: A condition or state of a molecule or an atom consisting of negative and also positive charges,…

Q: 2. Four unidentified solutions of equal concentration (0.1 mol/L) were prepared by chemistry…

A: The acidity of a solution is dependant on the concentration of protons or hydronium ions in the…

Q: Determine in descending order which lipid is most polar to least polar. Explain your answer.

A: Lipids are non-polar molecule that is soluble in nonpolar solvents. Lipids are involved in energy…

Q: 15. Which of the following statements defines hydrolysis?  Group of answer choices constant removal…

A: Hydrolysis is a chemical reaction that uses water to split complex molecules.

Q: When the concentration of H+ ions in a solution decreases, a buffer maintains the pH of a solution…

A: INTRODUCTION  The concentration of any given ion in solution is a measure of the amount of that ion…

Q: Carbohydrates 2. 3. What is the monomer or base unit for carbohydrates? What elements make up this…

A: There are 4 biomacromolecules of life.CarbohydratesLipidsNucleic acids andProteins

Q: 1. Give the properties of a colloidal system. What makes them different compared to suspensions and…

A: Colloids are formed when one substance is dispersed through another but does not combine to form a…

Q: ances that attract water could form bonds with water molecules; substances that do not attract water…

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Q: 4. Two common buffers in biological research are PBS and TBS. What are the compositions of these…

A: Hello! Thank you for the question. Due to time constraints, we will be able to provide the solution…

Q: 6. Of the following pairs write which ones could be used as buffers and why: (a) 0.1 M NaOH and 0.1…

A: A buffer is defined as an aqueous chemical solution that resists a change in its pH or acidity. It…

Q: The colligative properties depend on the concentration based on the solvent. True O False

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Q: Name the type of biomolecules shown below:

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Q: Classification of lipids.

A: A category of heterogeneous chemical substances that are soluble in non-polar solvents are referred…

Q: Water is able to cling to surfaces because of ionic bonds. True False

A: The statement is false

Q: Which of following is not true about water? Group of answer choices it has a low heat of…

A: Water is a gaseous, liquid, and solid material made up of the chemical elements hydrogen and oxygen.…

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Q: 5.When dehydration occurs, do molecules join together or is a molecule split…

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Q: 3. Phenol red is a pH indicator that turns _________ when conditions are acidic.

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Q: 1. Create a summary chart with the following headings: Macromolecule; Indicator; Positive Result…

A: Introduction: Lipids are biological macromolecules that are soluble in nonpolar solvents and…

Q: Q no 5: Discuss comprehensively the basic steps involved in the production of organic acid?

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Q: 16. Which of the following statements defines hydrolysis?  Group of answer choices constant removal…

A: Biomolecules are organic molecules made up of mainly carbon and hydrogen but there are other…

Q: 4. a. What is the abbreviated name for the molecule below? (3 letters) What is the abbreviated name…

A: NOTE: Since you have posted questions with multiple sub parts, we will be solving the first three…

Q: 7. The chemical you are testing has a concentration of H* as 10³ M (must watch the video). A) What…

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Q: 4. What is the total charge of lysine in the strong acidic medium? A) +2 B) -2 C) +1 D) 0 E) -1

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Q: Basic characteristics 1. d. Hydrophilic core Hydrophobic bilayer Cholesterol Phospholipids…

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Q: 2. Explain why one molecule of water has polar covalent bonds.

A: Water is polar because of its bent shape due to its molecule. As we know that water molecule is…

Q: 3. Which of the following processes involves the loss of a protein’s native structure?…

A: Proteins are polypeptides made up of amino acids. The biochemically and structurally stable form of…

Q: Why does butter is solid in room temperature, while vegetable oil is liquid?

A: Fats and oils are commonly called as triglycerides. Mainly these are of two types saturated and…