Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 3, Problem 6PL
A positive test for lipids results in a
- pinkish color change.
- yellow color change.
- translucent stain.
- blue to red color change.
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Which of the following below will show a NEGATIVE result in Huble’s test?
Group of answer choices
Linoleic Acid
Palmitic Acid
Linolenic Acid
Oleic Acid
COMPLETE THE TABLE BELOW:
The six tests for the detection of functional groups in amino acids and proteins.
TEST
REAGENTS
POSITIVE RESULT
POSITIVE INDICATION
The reults for the macroscopic part:
0.30M glycerin – solution was translucent (could see text behind the test tube)
0.15M NaCl – solution was opaque (could not see text behind the test tube)
0.30M NaCl – solution was opaque (could not see text behind the test tube)
0.15M glucose – solution was translucent (could see text behind the test tube)
0.30M glucose – solution was opaque (could not see text behind the test tube)
0.30M Urea – solution was translucent (could see text behind the test tube)
Results for microscopic part:
0.30M glycerin – no cells present
0.15M NaCl – normal sized cells
0.30M NaCl – crenated (shrunken and star-shaped) cells
0.15M glucose – no cells present
0.30M glucose – normal sized cells
0.30M Urea – no cells present
Determine the osmolarity (hypoosmotic, isosmotic, or hyperosmotic) and tonicity (hypotonic, isotonic, hypertonic) of the following solutions.In which solutions did the osmolarity NOT match the tonicity? For those solutions, why did the osmolarity…
Chapter 3 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 3 - The most basic unit of matter is energy. an...Ch. 3 - Which number would represent a neutral pH? 100 0 7...Ch. 3 - The building block of a protein is an amino acid....Ch. 3 - The building block of a carbohydrate is glycerol....Ch. 3 - The test to indicate the presence of starch uses...Ch. 3 - A positive test for lipids results in a pinkish...Ch. 3 - Which of the following pH numbers would represent...Ch. 3 - Which of the following solutions has the greatest...Ch. 3 - Are the pH values the same for distilled water and...Ch. 3 - If not, what might explain this difference?
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- An unknown sample was tested if there is a presence of lipid, after the test it shows that it produced a pungent odor in acrolein test. What type of lipid does the sample contain? Group of answer choices Lipid that is saturated Lipid that contains phosphate Lipid that contains glycerol Sesame Oilarrow_forwardGeneral Concept: Match each test with the substance detected Match each test with the substance it is intended to detect. 1 3 brown Paper test Benedict's lipids protein simple sugars 2 Match each of the options above to the items below. starch 4 iodine biuret testarrow_forwardQualitative Color Reactions Color Reaction Biuret Ninhydrin Xanthoproteic Millon's Hopkins-Cole Sakaguchi Nitroprusside Fohl's Test for Amide Pauly Intact Protein Acidic Hydrolyzed Protein Basic Enzymaticarrow_forward
- Lab2 - ACID & BASE Properties Household Products Color of the solution with indicator Classification (Put a check mark on the appropriate column) Methyl orange Phenolphthalein Acid Based Salt Vinegar Blood Urine Lotion Shampoo Soft drinksarrow_forwardSolution should correct.arrow_forwardWhich of the following stains living cells? Methylene Blue Trypan Blue 7-AAD Tetrazolium Chloride (TZ)arrow_forward
- Will all carbohydrates gives a positive result with Molisch test? Explain your answer:arrow_forwardAn unknown sample was tested if there is a presence of lipid, after the test it shows that it is positive for translucent test, soluble with chloroform, produced a pungent odor in acrolein test, produced a red color for Baudouin Test, and the violet color disappeared in Huble’s Test. What is the sample? Group of answer choices A lipid that is saturated, contain glycerol, and sesame oil A lipid that is saturated, doesn’t contain glycerol, and sesame oil A lipid that is unsaturated, doesn’t contain glycerol, and sesame oil A lipid that is unsaturated, contain glycerol, and sesame oilarrow_forward. Discuss the properties of potassium iodide solution, and how it results in the detection of starch. . Explain the meaning of each color that results in Starch Test, such as: 11.1 Yellow to brown and; 11.2 Blue to black.arrow_forward
- In a tabular form, list down the tests for LIPIDS in this formatarrow_forwarda. Construct a typical wax derived from palmitic acid. No sticks are acceptable. CH2 groups can be bunched together. b. Construct a chiral triglyceride, using appropriate format. Again, no sticks. CH2 groups can be combined.arrow_forwardINSTRUCTION: Check which test(s) will yield a positive result for the given compounds. Biuret Test Ninhydrin Test Hopkin’s Cole Test Xanthoproteic Test Millon’s Test Lead Sulfide Test Albumin Gelatin Casein Tyrosine Glycine Ala-Pro Cys-Leu His-Gly-Tyr Gly-Gly-Met Beef stockarrow_forward
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