1. 2. 3. Why does casein precipitates upon the addition of acetic acid? Why is milk used as an antidote in heavy metal poisoning? Can you identify which specific amino acid/functional group provides a positive result on the following tests?
Q: Cow's milk allergy (CMA) and lactose intolerance both result from dietary exposure to cow's milk and…
A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: 1. What constitutes the backbone of a nucleic acid? _ 2. Give the base sequence of the complementary…
A: Nucleic acids are organic molecules that act as the genetic material, and store and transfer genetic…
Q: Which steps in eukaryotic translation require the cleavage of a phosphodiester bond from GTP? Choose…
A: Eukaryotic translation is the process by which eukaryotes synthesize polypeptide chains with respect…
Q: Use dAMP and dTMP to draw the two monomers together
A: Nucleotides are structural components of nucleic acids (DNA or RNA). Nucleotides are composed of a…
Q: Which of the following is not true? A.) A single activating enzyme can interact with all the tRNAs…
A: The 'activating enzyme' mentioned in option 1 is aminoacyl tRNA synthetase. Aminoacyl tRNA…
Q: describe five physiological effects which are mediated by G proteins
A: G proteins are guanosine binding proteins, which mediate GPCR signaling pathways. There are two…
Q: RUE OR FALSE 1. Abzymes reduce rotational entropy. 2. Hammerhead ribozymes have the ability to bind…
A: Enzymes are catalysts acting inside the living system to reduce the reaction time and speed up the…
Q: Focusing on the mechanism linking complex I and ATP synthase depicted in figure 3 in the article,…
A: Peter Mitchell in t the chemiosmotic theory proposed that there exists a membrane localized,…
Q: Provide other techniques which can be used to characterize DNA extracts. Provide advantages and…
A: DNA extracts characterization is done by many methods. It is done to check purity, stability,…
Q: Question 15 The GroES subunit has 14 identical 549-residue subunits arranged in two stacked rings…
A: GroEL-ES is a molecular chaperone complex that assist in the folding of cellular proteins. The…
Q: The concentration of protein in a solution can be determined via UV spectroscopy and colorimetry*…
A: UV spectroscopy UV spectroscopy is a technique which uses the absorption of ultraviolet radiation by…
Q: In the folded protein, His108 forms a salt bridge with Asp44. The pKa of the imidazole functional…
A: pKa is the pH at which a weak acid is 50% dissociated into H+ and conjugate base. Also, pKa = -log…
Q: Vitamin- derived coenzymes: A. NAD/ NADP B. FAD/ FMN C. THF D. All of the above  The following…
A: Coenzymes are the non protein organic molecules that help the enzyme to catalyse the biochemical…
Q: 3 4 Ag₂O NH₂OH, H₂O KMnO H₂O*
A: 3. This is an example of Tollens's reaction. Where Ag2O and NH4OH reacts to form ammonical silver…
Q: Which of the following has the lowest probability of cardiac event-free survival? high CRP and…
A: Introduction LDL (low-density lipoprotein) is also known as bad cholesterol. It can cause blockage…
Q: How does one label the DNA-strands that look like this ---------------------- ----------------------…
A: The replication of DNA is semiconservative. DNA strands are polymers or chains of deoxynucleoside…
Q: How DMT affects the brain?
A: Introduction Neurotransmitters are a type of chemical messengers that transmit chemical signals…
Q: Suppose you want to test the results of a transformation by growing E. coli cells in LB medium…
A: Equation of dilution: M1V1 = M2V2where: M1 is the molar concentration of the stock solution. M2 is…
Q: Draw the structure of the a-keto acid formed by the transamination of each amino acid: (a) tyrosine…
A: Transamination is a type of reaction in which, the amino group of an amino acid is transferred as a…
Q: 1. Describe how each of the following modes of analysis may be used to measure enzyme activity:…
A: Since you have posted multiple questions with multiple sub parts, we will provide the solution only…
Q: What does an area of clearing indicate in biochemical test?
A: Measuring a nutrient or its metabolite in the blood, faeces, urine, or other tissues that have a…
Q: Review what is enzymes/catalysts? How do you increase/ decrease the reaction? What happens to the…
A: Introduction: Enzymes are proteins in nature and their action is specific. It functions…
Q: 1 what is the net reaction of glycolysis? 2 Starting with glucose ( in the open - chain fischer…
A: Glycolysis is the collection of 10 enzymatically catalysed reactions that sequentially oxidises one…
Q: Discuss regulation of glycolysis and the citric acid cycle, including likely activators and…
A: Glycolysis and TCA cycle are the stages of aerobic cellular respiration. Glycolysis is the process…
Q: Capping of eukaryotic mRNA occurs at the 5' end O occurs at the 3' end O occurs at both ends O…
A: Transcription is the process by which the genetic information stored in the DNA is copied onto a…
Q: One of the functions of the pentose phosphate pathway is to make NADPH, which plays important roles…
A: Nicotinamide adenine dinucleotide phosphate (NADP+) is used as a cofactor in anabolic reactions.…
Q: a. Calculate the physiological DG of the reaction shown below at 37°C, as it occurs in the cytosol…
A: Since you have posted multiple questions, we will provide the solutiononly to the first question as…
Q: A type of diabetes mellitus is due to defects in insulin signaling. True False
A: Diabetes mellitus is a condition in which the insulin secretion from the pancreas is insufficient…
Q: TRUE OR FALSE 1. The H chain contains one variable and one constant domain. 2. The processes that…
A: Immunoglobulins are the Y shaped complex molecules that are proteins in nature.they can be referred…
Q: B. Below is a short segment of a DNA molecule. Translate the DNA codon into mRNA. Use your data…
A: DNA conists of a double-stranded helix wound together by weak hydrogen bonds between…
Q: Which of the following is NOT a true statement about the diagram below? Intermediate A Pathway…
A: Enzymes are the biocatalysts that mediate the biochemical reactions of metabolic pathways. They have…
Q: Describe method by which uncoupling agents (like 2,4-dinitrophenol) inhibit oxidative…
A: The oxidation of carbohydrates such as glucose generates electrons that are carried to the electron…
Q: Experimental results describing a protein's amino acid composition are useful for estimating the…
A: Proteins are high molecular weight polymers of amino acid residues linked together via peptide…
Q: Which of the following polypeptides would be most likely to form an a helix? Explain your answer.…
A: A polypeptide chain folds into a protein in its native, three-dimensional form through a process…
Q: Which of the following coenzymes does not get restored to it's original form within the PDH complex…
A: PDH (pyruvate dehydrogenase complex) is an enzyme complex, which is composed of three enzymes known…
Q: Give a detailed account of the tricarboxylic acid pathway and how it is regulated in eukaryotic…
A: The citric acid cycle (CAC), sometimes referred to as the Krebs cycle and the tricarboxylic acid…
Q: You are studying COVID-19 which infects bat cells through an interaction between a lysine residue on…
A: Proteins are large biomolecules made up of amino acid residues linked via a peptide bond. Amino…
Q: *Determine the ATP yield from the metabolism of one molecule of glucose under the following…
A: Cellular respiration is a collection of three metabolic pathways that generate ATP by the oxidation…
Q: By the reaction catalyzed by the pyruvate dehydrogenase complex: a) NAD+ is oxidized to become NADH…
A: The glycolytic process results in pyruvate, which is a substantial source of acetyl-CoA for the TCA…
Q: In isolating and characterizing carbohydrates, choose between starch and cellulose from a plant…
A: Carbohydrates are composed of carbon, hydrogen and oxygen (CH2O) which performs several functions in…
Q: Question 9 I am an alanine residue present in a peptide with defined secondary structure. I have and…
A: Introduction Proteins are the most abundant macromolecule of our body. Amino acids are the building…
Q: (c) Outline how you would investigate whether BCMAP would be an effective inhibitor for the protein…
A: Inhibitors are the molecules that slow down or completely block the protein activity of molecules,…
Q: G-protein coupled receptors have a GTP-binding domain. True False
A: G protein–coupled receptors (GPCRs) mediate the majority of cellular responses to external…
Q: Give 10 examples of enzymes that use NAD/ NADH and NADP/ NADPH and their functions.
A: NAD/NADH and NADP/NADPH act as intermediates in several biochemical reactions. NAD+/NADH and…
Q: Cow's milk allergy (CMA) and lactose intolerance both result from dietary exposure to cow's milk and…
A: Proteins are high molecular weight polymers of amino acids that serve diverse functional roles in…
Q: The B-oxidation of the saturated 14-carbon fatty acid myristic acid yields the following NET amount…
A: In beta oxidation, large fatty acids that have been transformed into acyl-CoA chains are gradually…
Q: Draw two ringed a-D glucose monomers forming a disaccharide (maltose). Make sure to label the…
A: Glucose is a 6 carbon containing aldose sugar i.e. it is an aldohexose. The most stable ring form of…
Q: A patient with chronic pancreatitis and hence decreased secretory function of pancreas was…
A: Individual having an inflammation in the pancreas which does not improve over a long period of time…
Q: Question 13 Which of the following is the correct order of the first sketch of amyloid cascade of…
A: Oxidative stress triggers an overproduction of amyloid precursor protein (APP) and transcription of…
Q: What is the correct order, from highest content to lowest content, for triacylglycerols in the…
A: Lipoproteins are droplets of fats that are surrounded by a single layer of phospholipid molecules.…
Direction: Answer & explain thoroughly.
Step by step
Solved in 3 steps
- MATCHING TYPE; Match A to B A. Acrolein tesT Benedicts test Biuret test Iodine test Barfoed’s test Molisch test Seliwanoff’s test Fehling’s test Salkowski’s test Furter-Meyer test B. A. The test for the presence of cholesterol. B. The test for reducing sugars in acidic solution. C. The test is used to detect cholesterol in a solution D. The test for the presence of starch/amylose. E. The test for presence of reducing sugars in alkali solution. F. The general test for carbohydrates. G. This method is used to detect the presence of tocopherols H. The test to distinguish monosaccharides from disaccharides I. The test for the presence of fats or glycerin. J. The test to determine ketohexose from an aldohexose.A. Explain why it is essential to digest all wild-type pQE. 1.-CRYGD. B. How would you make 50 mL o 1% weight per volume (w/v) agarose solution?A. Detecting Dextrin in Starch 1. Iodine Test for Starch Describe any change that took place when Iodine was added. 2. Preparation of Dextrin from Starch a. Describe the color of starch while being heated. b. Describe the change upon the addition of Iodine. What color indicates the presence of dextrin? c. Compare the result obtained with Procedure 1. d. Describe the color change when Iodine was added to the solution of dextrin from the supply shelf. B. Reduction test for Sugars 1. FEHLING'S TEST SUGAR 1. Glucose 2. Sucrose 3. Maltose 4. Fructose 5. Lactose 6. Galactose 2. BENEDICTS TEST SUGAR 1. Glucose 2. Sucrose 3. Maltose 4. Fructose 5. Lactose 6. Galactose 3. BARFOED'S TEST SUGAR 1. Glucose 2. Sucrose 3. Maltose 4. Fructose 5. Lactose RESULT RESULT RESULT
- 1. The principle behind the test for phosphate is oxidative reaction, conversion of organic form to inorganic phosphate and a precipitation reaction. A. True B. False 2. Sakaguchi test determines amino acids with indole groups present. A. True B. False1. What is this lipid structure, give its role/ function, and enumerate its hydrolysis products or components. 2. Explain which hydrolyzed component will be positive in the Acrolein test? Ninhydrin test?19. The pH indicator in the carbohydrate metabolism test was a. methyl red b. eosin methylene blue c. neutral red d. phenol red e. bromthymol blue 20. Which of the following enzymes would be indicated by the sheep blood agar plate? a. catalase b. gelatinase c. citrate permase d. hemolysins e. lipase 21. The pH indicator in your EMB agar was plate. a. phenol red, selective b. methyl red, enrichment c. bromthymol blue, differential d. neutral red, selective e. eosin methylene blue, differential and it is an example of a inscloudgate.net/files/71e091b2-95...riXAGSX7kihG5XaOhFABsP7PBUexzlaVKNAmC
- &. How many milldiners of a 2wv Lidocaine HCI stock selution in water should be used in preparing 30 ml of a 0.5% wiv Lidocaine HCI solution? . From the following formula for antificial tears, caleulate the quantity of each ingrodient roquired to prepare half donen of the 0ml containers. Poyviny alcohol 149 Povidone Chiorobutanol Serile sodum chioride soution a.%. s to 100 m How many milldiners of water should be added to 60 ml. of a 2% wiv agqueous solution to prepare a 1% wiv solution?1. List down the amino acids in the following format Amino Acid Physiological Significance 3 letter Code 1 letter code Chemical Structure 2. List down the different qualitative and quantitative tests for Amino Acids Test Reagents Principle Positive Reaction/ResultI. True or False ____________1] Mutarotation affects the reducing property ofcarbohydrates.____________2] Anthrone test can be use to test for the helicalconfiguration of a polysaccharide.____________3] Upon treatment with phenylhydrazine reagent & hydrolysis, maltose gives glucuronic acid and glucosazone.
- B. COLOR REACTIONS. Give the ideal observation for the positive results of the following samples to complete the table below. Write NO RXN if the sample gives negative result for the given tests BIURET XANTHOPROTEIC NINHYDRIN SULFUR SAMPLES TEST TEST TEST TEST Formation of violet- Cysteine NO RXN colored product Formation of red- Tryptophan NO RXN colored solution Formation of Formation of violet- Keratin black colored product precipitate B - Alanine NO RXN NO RXN1. Provide the Principles and detailed procedures of the following tests for the "Color Reaction of Proteins". A. Biuret Test B. Xanthoproteic Test C. Millon's Test D. Ninhydrin Test E. Hopkins-Cole Test F. Sulfur Test G. Heller's Test2. What sample shows a positive result with the Molisch Test? Why did this sample give a positive result? 3. What is the chemical basis of the Xanthoproteic Test? 4. Egg white and milk are used as antidotes for heavy metal poisoning. Explain. 5. According to advertisements, commercial shampoo or conditioner contains “protein." Suggest a test that could be done on the product to check this claim? Explain your answer.