Which lipid sample (butter/oil is soluble or miscible in water? Explain.
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Q: what is the molar concentration of 80g of glucose dissolved in sufficient water to make two liters…
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Q: Given a stock protein solution with a concentration of 3 mg/ml, determine the protein concentration…
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Q: An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper…
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Q: What will you observe when samples of these fats and oils are tested for unsaturation with bromine…
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Q: What test can be performed to identify this lipid structure?
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A: According to the question, we need to identify the three amino acids that were present in the given…
Q: Ordinary table salt is sodium chloride. What is baking soda?
A: Baking soda is chemically sodium bicarbonate. Its chemical formula is NaHCO3
Q: Why does buffers is significant inside a human body?
A: A buffer system is a solution that resists a change in pH when acids or bases are added to it.…
Q: What is the final concentration if 75 mL of a 3.5 M glucose solution is diluted to a volume of 450…
A: Dilution is the process of reducing the concentration of a given solute in its solution. It can be…
Q: Why is it essential for compounds like salt (and glucose) to soluble in the water found in our body?
A: In our body, glucose and salt are important molecules. Glucose is an important part of the body…
Q: Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26…
A: Iso electric point: the pH at which the Amino acid exists in a zwitter ionic state us called iso…
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Q: An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper…
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Q: For each of the following chemicals, name the general class they belong to, discuss their solubility…
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Q: Will the given lipid test positive in the Ninhydrin test?
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Q: In solubility test, why do we need to put the lipid samples in a direct heat after adding ethanol?
A: In solubility test, why do we need to put the lipid samples in a direct heat after adding ethanol?…
Q: How much agarose powder (g) would you use to make a 50 ml, 1.4% agarose gel?
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Q: Why is ice less dense than water?
A: In Ice, each oxygen atom is surrounded by 4-H atoms at the corner of a tetrahedron.
Q: Is lysine a suitable buffer at acidic, neutral, or basic pH range, and why?
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Q: Is a solution highly concentrated if it is saturated? Is a solution saturated if it is highly…
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Q: Can a peptide act as a buffer? If so, why?
A: Peptides are the sequence of amino acid residues which are linked by formation of peptide bond…
Q: What is the relationship between particle size and the time it takes for the tablet to dissolve?
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Q: Given a stock protein solution with a concentration of 6 mg/ml, determine the protein concentration…
A: Given Values: Concentration of the protein stock solution = 6 mg/ml Volume of the stock protein…
Q: When table sugar, sucrose, dissolves in water, is the water the solvent or the solute?
A: The common sugar is known as sucrose. It is a disaccharide molecule, made of glucose and fructose…
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A: Lipids are macrobiomolecule that are made of hydrocarbons and is insoluble in non-polar solvents.
Q: Why does butter is solid in room temperature, while vegetable oil is liquid?
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Q: Identify the acid on the left and its conjugate base on the right in the following equations: (a)…
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Q: calculate the molarity of the oxalic acid standard solution.
A: The reaction of oxalic acid with NaOH can be written as: H2C2O4(aq) + 2 NaOH(aq) → Na2C2O4(aq) + 2…
Q: Which properties of buffer solution will maintain the solubility of the proteins and How can we…
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Q: What kind of macromolecule is shown in the image?
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Q: If you added three proteins (Protein A, pI 5.0; Protein B, pI 6.0; Protein C, pI 7.0) to an anion…
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Q: What is this lipid? What test wll identify this?
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Q: What reagent present in the protein sample buffer is important for breaking disulfide bonds? a)…
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Q: If skin cleaning solution is to be diluted 1 teaspoon to 64 ounces of water, how much water would…
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Q: How many grams of glucose would you need to make 500 mL of an 8% solution?
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Q: Could the amino acid glycine serve as the basis of a buffer system? If so, in what pH range would it…
A: The weak acid or weak base acts as a buffer system under certain circumstances. Glycine is neither…
Q: Why is the thick blood smear left unfixed in methanol?
A:
Q: Is the 25% sucrose solution (or syrup) a hypertonic, hypotonic, or isotonic solution?
A: The concentration of a solution as compared to another solution is referred to as tonicity. The…
Q: List at least three test reactions for lipids. Describe its principle and its positive result
A: Lipids are biomolecules which are non-polar or insoluble in water. Lipids are not true polymers…
Which lipid sample (butter/oil is soluble or miscible in water? Explain.
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Solved in 3 steps
- What test can be performed to identify this lipid structure?Is the 25% sucrose solution (or syrup) a hypertonic, hypotonic, or isotonic solution?An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper chromatography.The solvent is less polar than water. Which of these amino acids will have the highest Rf value and which the lowest? Explain.
- An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper chromatography. The solvent is less polar than water. Which of these amino acids will have the highest Rf value and which the lowest? Explain.Given a stock protein solution with a concentration of 6 mg/ml, determine the protein concentration of a solution made by mixing 5 μl of the stock with 5 μl of a buffer.Is a solution highly concentrated if it is saturated? Is a solution saturated if it is highly concentrated?
- In solubility test, why do we need to put the lipid samples in a direct heat after adding ethanol?what is the molar concentration of 80g of glucose dissolved in sufficient water to make two liters of solution.How many mL of the 1 M glucose stock solution do you need to prepare 100 mL of a 1 mM glucose solution?
