1. In Gel filtration chromatography, when will you stop collecting eluents if sample is not colored? 2. Explain the Donnan Membrane Phenomenon. Why is it important for the homeostasis of the cell?
Q: Delimiate the outcome of of the use of cationic porphyrins as the Choice for the treatment of cancer…
A: Photodynamic therapy (PDT) is a marginally invasive therapeutic procedure that can apply selective…
Q: 2. Which enzyme concentration produced the greatest concentration of mono and disaccharides after 10…
A: Benedict's Reagent contains sodium citrate, sodium carbonate, and the pentahydrate of copper(II)…
Q: Sample No. 1 2 3 4 5 Sample No. Sample Identity 1 2 3 A Table 1. Results of the Qualitative Tests of…
A: Copper Acetate test is used to distinguish oil and fatty acid. Copper acetate reagent does not react…
Q: Identify A, B and C. Show how the conversion from A to B takes place. HN A: Name? B: Enzyme? C:…
A: Vitamins and cofactors undergo several different small chemical changes to become different…
Q: Which of the following statements regarding enzyme catalysis is false? All options are false. Once…
A: Normally an energy barrier exists between substrates (S) and products (P) i.e., S -> P…
Q: 19. The picture below indicates a Lineweaver-Burk plot used to illustrate the values of KM and Vmax…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: What chemical is used for reduction of disulfur bridges in protein?
A: Disulfide bonds play a secondary role in maintaining protein structures against denaturation, they…
Q: Which of the following forms of rhodopsin forms a complex with transducin? Select one: a.…
A: The vision depends on the absorption of light energy by rhodopsin. Rhodopsin is a protein that…
Q: ure H-N O H-N N-H-----0- O----- H-N N-H----O -0----H-N N-H :0 N-H O
A: Introduction: The primary structure of a protein is the type, number, and sequence of amino acids…
Q: Protein mainly present in milk? A. Casein B. Albumin C. Gluten D. Myoglobin E. None of the given…
A: Proteins are polymers of amino acids. Milk is rich source of proteins (3-4%), rest are Fats (3-6 %),…
Q: Given the active site diagram below, which circled component coordinates the cofactor? 1 05 02 5 NH…
A: Introduction: A large number of enzymes require an additional component that is non-protein in…
Q: The presence of glucose in appreciable amounts in the urine is referred to?* Please choose one…
A: Human urine is primarily composed of water (95%). The rest is made up of urea (2%), creatinine…
Q: Question 21 An example of an antibiotic useful in treating tuberculosis would be: 01) penicillin O2)…
A: Antibiotics are substances that can control or kill bacterial growth. They are useful in treating…
Q: What would the order of migration be (bottom to top in the gel) in a SDS-PAGE for the following…
A: Introduction: Sodium dodecyl sulfate-polyacrylamide electrophoresis (SDS-PAGE) is an analytical…
Q: Find the final concentration as a percent (w/v) of dextrose when 75 mL dextrose 50 % (w/v), 50 mL of…
A: There are different ways to denote the concentration of a solution. Per cent (w/v) means there is 1…
Q: Can Bioinformatics be used for sequence annotation to identifyprotein-coding and noncoding sequences…
A: The genome sequence of any organism is that organism's blueprint: the set of instructions dictating…
Q: Which of the following statements regarding the catalytic mechanism of superoxide dismutase is true?…
A:
Q: (b) Why is selectivity of photodynamic very important? How can it be treatment achieved?
A: Photodynamic treatment involves use of molecules called photosensitizers which gets activated in the…
Q: What is the activation energy of a reaction that is three times faster at 40.0 °C than it is at 20.0…
A:
Q: Name the three principal chemical systems and two organ systems for buffering pH. Which is fastest…
A: Buffers are solutions which maintain the PH of a medium by resisting an increase or decrease in the…
Q: Sphingolipids can contain of all of the following except A. glycerol. B. sphingosine. C.…
A: Sphingolipids are composed of sphingoside base to which fatty acid is linked through amide bond.…
Q: nfile.php/7382360/mod_resource/content/0/Pyrimidine%20Practice%20Pat 1 / 1 67% + | 田 Pyrimidine…
A: Adenine and Guanine are the pryrimidine bases of our DNA and thus pyrimidine synthesis is so…
Q: ОН 9. CH OH 1 H ОН Complete the following reaction by drawing the molecular structure of the main…
A: Sugars are the most essential components that have various roles in plants and animals alike. These…
Q: Consider the metabolic pathway show below that converts substrate A to B with the enzyme A-ase, B to…
A: Mechanism of Regulation of enzymes is tej process by which enzyme is controlled to catalyse the…
Q: Both reducing monosaccharide and disaccharide give positive results in Barfoed's test. Which of the…
A: Carbohydrates are the primary building blocks of all living organisms. Carbohydrates are all made up…
Q: An important protein in contractile muscle. OA. keratin O B. myosin O c. elastin OD. fibrin
A: The proteins have a variety of functions in the body. The functions of the proteins in the body are…
Q: The sugars in RNA and DNA are almost identical. The main difference is the presence or absence of…
A: DNA/RNA are polymers of nucleotides. A nucleotide consists of a nitrogenous base(A, T, G, C)…
Q: 2.2 Complete hydrolysis of a hexapeptide by 6M HCI at 110°C followed by amino acid analysis…
A: The hydrolysis of the given peptide gives an equal ratio of cysteine, methionine, and glycine. It…
Q: There are many different routes by which drugs can be administered. Describe the pros and cons of…
A: Introduction: Drug administration is giving the medicine or the prescribed drug to an individual.…
Q: Useful to distinguish starch and glycogen from other polysaccharides* Please choose one correct…
A: Homopolymers are polysaccharides consisting entirely of a single kind of monosaccharide. The three…
Q: Give an example of a typical imaging process for a particular condition and state what radioisotope…
A: Imaging processes involve the use of radioisotopes and can be used for diagnostic purposes. Some of…
Q: Which of the following statements is not true about enzymes?*
A: Enzymes are usually composed of proteins and it works as a catalyst to speed up the biochemical…
Q: Choose all minor nucleosides Anenosin-cyclomonophosphate Thymidin Pseudouridin Pyromycin
A: Nucleosides are the compounds made up of nitrogen base and sugar residues. Minor Nucleosides are…
Q: Assume that the 2nd carbon atom of pyruvate is labeled with C14 and then the labeled pyruvate is…
A: Introduction : The term "metabolism" is directed to all of the chemical reactions that occur in an…
Q: Need assistance
A: Hi, thank you for posting the question on Bartleby. As per the guidelines, we can answer only the…
Q: ACTIVITY 7.3.1 Given a part of DNA undergoing replication. Copy and write the corresponding bases in…
A: Replication is the process of making new DNA strands from the parent DNA by using them as templates.…
Q: What are the three photochemical and the food they contained in
A: There is one correction in the question. These are phytochemicals which are present in foods.
Q: All carbohydrates are made up of what atoms?* Please choose one correct answer only. A. Carbon,…
A: Carbohydrates are divided into 3 classes monosaccharides, disaccharides, and polysaccharides.…
Q: The shortest α helix segment in a protein that will span a membrane bilayer has about _____ amino…
A: The plasma membrane is a bilayer of lipids, in which proteins are floating like icebergs in a sea.…
Q: The diagram below shows the substrate binding cleft for a protease, providing the substrate…
A: Proteases are enzymes which digest the proteins by cleaving the peptide bonds at specific locations.…
Q: discuss the significance of the different aseptic techniques utilized in maintaining sterility of…
A: The laboratory that carries out growth of prokaryotic cells or eukaryotic cells in physiological…
Q: In the intestine, the dietary fats are hydrolyzed by*
A: Fats are generally esters of fatty acids and it is an important high energy biomolecules. The…
Q: Using appropriate diseases as examples, describe three molecular techniques that can be used in…
A: Three molecular techniques involved in disease diagnosis are: 1. Various amplification techniques…
Q: The steps of glycolysis between glyceraldehyde 3-phosphate and 3-phosphoglycerate involve all of the…
A: Glycolysis is a catabolic pathway where glucose is broken down into pyruvate molecules that enter…
Q: Given the active site below, which best describes the mechanism(s) of catalysis?
A: Active site of the enzyme is the region present on the enzyme where enzymatic catalysis occurs and…
Q: Phospholipids have two fatty acyl chains and can form spherical micells in the presence of water.…
A: Phospholipids are compound lipids that are composed of fatty acids, alcohol, and a phosphate group.…
Q: The proton pump in ETC is an active transporter. Where does it get the energy to pump protons…
A: ETC is electron transport chain. It is located in inner membrane of mitochondria. It is involved in…
Q: QUESTION 3 Strands of DNA join together with Hydrogen bonds. These bonds form between the…
A: In double stranded DNA the two strands of DNA are twisted around one another in the form of a…
Q: The following are the sugars that formed brick red precipitate during Barfoed's test, except:* A.…
A: Barfoed's test is the specific test for the identification of reducing monosacharides. Reducing…
Q: 4. Which of the following peptides would absorb light centered at 280 nm? a. ala-lys-tyr b.…
A: The aromatic side chains of the amino acids are responsible for the absorption of UV light. The…
1. In Gel filtration chromatography, when will you stop collecting eluents if sample is not colored?
2. Explain the Donnan Membrane Phenomenon. Why is it important for the homeostasis of the cell?
Step by step
Solved in 2 steps
- 1. In Gel filtration chromatography, when will you stop collecting eluents if sample is not colored? 2. How does SDS-PAGE separate proteins and peptides from each other? Explain. 3. Explain the Donnan Membrane Phenomenon. Why is it important for the homeostasis of the cell?5. Intravenous solutions must be prepared, to that they are isotonic to red blood cells. A0.9% salt solution is isotonic to red blood cells. Keeping this in mind, explain whatwould happen to a red blood cell placed into a solution of 99.3% water and 0.7% salt.Note to obtain full marks you must care both the intercellular environment to theextracellular environment (solute vs solvent).1. Why does fresh milk can form a film and sour milk cannot?
- 1. Using the equation of the line, cell density can be measured, EXCEPT? * A. When the absorbance reading is 0.3. B. when the absorbance reading is 0.1 C. When the absorbance reading is 0.7 D. All are correct 2. These microscopes produce an image through refractive indices except * A. brightfield microscope B. transmission electron microscope. C. differential interference contrast microscope. D. phase-contrast microscope.The principal force driving movement in diffusion is the. temperature particle size concentration gradient membrane surface area3 cell membrane samples: A, B, and C were fluorescently labeled and subsequently photobleached. The recovery of fluorescence is given on the FRAP curve: (see image attached) Rank the 3 cell membranes in terms of DECREASING fluidity and explain your ranking based on: their FRAP curves; most probable appearance; and most probable composition of the membranes
- 1)What is the natural color of cytoplasm? How is it related to our need to stain bacterial cells? 2) Which of the following is the main goal when staining a culture? A) improve contrast B) identify bacteria C) Visualize bacterial structures1. What is the actual magnification of Cell X? Explain the solution .6. Why would a cell want to aggregate ions on one side of a cell membrane? Can u please tell me the answer and why?
- 3 cell membrane samples: A, B, and C were fluorescently labeled and subsequently photobleached. The recovery of fluorescence is given on the FRAP curve: (see image attached) Rank the 3 cell membranes in terms of DECREASING fluidity and explain your ranking based on their FRAP curves, most probable appearance, and composition of the membranes. Draw the expected image of the surface of the 3 membranes BEFORE photobleaching and AFTER fluorescence recovery as viewed under a fluorescence microscope.8.Patients who enter the emergency room dehydrated are usually given sterile saline solution intravenously. The solution administered is isotonic to prevent cell damage. What would happen if the solution was hypotonic? Group of answer choices A. Hypotonic solutions have a higher osmotic pressure than that within cells so hemolysis can occur B. Hypotonic solutions have a lower osmotic pressure than that within cells so crenation can occur can occur. C. Hypotonic solutions have a lower osmotic pressure than that within cells so hemolysis can occur. D. Hypotonic solutions have the same osmotic pressure as that within cells so nothing will happen. 9.The solubility of CaCl2 in water is135g/100 ml. What would be the best method for preparing a 50.0 mL of supersaturated CaCl2 solution? Group of answer choices A. add 72 g of CaCl2 to 50.0 mL of H2O at 100 °C while stirring at room temperature B. add 67 g of CaCl2 to 50.0 mL of H2O at 100 °C while stirring at room temperature…1. Give the similarities and differences of the gel filtration and isoelectric precipitation in terms of the priciples governing their functions. Answer it throughly and do not just copy from somewhere, please.
