Lab Experiment: Biosynthesis of ethanol Part 2 What is the distillation technique and its uses, equipment to be used and temperature to collect the product If you could answer each part specifically I will appreciate it
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- Lab: Isolation of beta-amylase from sweet potato Objective: To isolate the enzyme β -amylase using sweet potato as a source Materials Required: Sweet potato.Knife/peeler.Mortar and Pestle.A Blender.Blue capped tubes.20mM sodium Phosphate buffer at pH 7.Vortexer. Procedure: 1.Take a clean sweet potato and peel the skin off.2.Weigh the peeled sweet potato and note the weight.3.The sweet potato is cut into small pieces and transferred into a mortar and pestle.4.The pieces are crushed and then transferred into a blender.5.Add 40 ml of cold 20mM sodium phosphate buffer saline. Blend it until it forms a paste.6.Gently transfer the potato slurry into a blue capped tube.7.Allow the enzyme to extract over a 1 hour period at room temperature, with frequent vigorous stirring on a vortex mixer.8.Then the extract is filtered using a GF A glass fibre filter and the filtrate is collected in a new blue capped tube.9.Centrifuge the filtrate at 12000rpm for 20 minutes at 4 degree Celsius.10. After…You are tasked to prepare 1000mL of 2 media preparations, however, instead of using a powder agar, you will be preparing the desired concentration from a prepared stock solution. Complete the information in the table and show your computation. Volume of Volume of diluent Desired Stock Solution stock sol'n needed to make Concentration needed 1000mL media 25% 12.5% 5% 1.5%Lab_4_SOLUTION_AND_MEDIUM_PREPARATI... This device magnetic flash is one of the devices used in an experiment whose usefulness and definition can be explained MAGNETİC FİSH
- C. Spectrophotometric Measurements of the Hill Reaction 1. Place 15 mL of the 0.05-mg chlorophyll/ mL suspension in a test tube. Wrap the tube with aluminum foil and chill in an ice bucket. This is the source of unheated chloroplasts. 2. Place the remaining 10 mL of the 0.05-mg chlorophyll/mL suspension in a test tube and heat until boiling using an alcohol lamp. Heating inactivates the chloroplasts. Stand the heated mixture for 5 min. to allow the debris to settle.why a plasma sample especially EDTA could not be used for direct ISE electrolytes machineA biochemist discovers and purifies a new enzyme, generating the purification table below. Procedure Total protein (mg) 20,000 5,000 4,000 Activity (units) 4,000,000 3,000,000 1,000,000 800,000 750,000 675,000 1. Crude extract 2. Precipitation (salt) 3. Precipitation (pH) 4. Ion-exchange chromatography 5. Affinity chromatography 6. Size-exclusion chromatography From the information given in the table, calculate the specific activity of the enzyme after each purification procedure. b. Which of the purification procedures used for this enzyme is the most effective (I.e. gives the greatest relative increase in purity)? Which of the purification procedures is least effective? d. Is there any indication based on the results calculated in part A that the enzyme after step 6 is now pure? What else could be done to estimate the purity of the enzyme preparation? 200 50 45 a. C.
- POTATO OSMOSIS (LABORATORY EXPERIMENTATION) MATERIALS: Small basin 2 medium size potatoes (fresh) Table salt Sugar Distilled water (Wilkins or H2Zero) PROCEDURE: A. POTATOES Cut the potatoes to half, making 4 pcs of potatoes Cook one of the half potatoes and set aside the 3 other potatoes Label the cooked potato as letter B. MAKING A CAVITY Make a cavity of each half potato Label the raw potato as A B and C In potato A place salt on the cavity In potato B place sugar in the cavity Leave the potato C empty. Place sugar on the cavity of potato D C. POTATO OSMOSIS - Place distilled water in the basin and arranged the potatoes inside the basin. Leave it for 1hr. Observe after an hour. Do not mind the color of the potato. QUESTIONS: 1. What is your observation from potato A to D? 2. What can you conclude by comparing potato A and potato B? 3. What can you conclude by comparing potato A and potato C?POTATO OSMOSIS (LABORATORY EXPERIMENTATION) MATERIALS: Small basin 2 medium size potatoes (fresh) Table salt Sugar Distilled water (Wilkins or H2Zero) PROCEDURE: A. POTATOES Cut the potatoes to half, making 4 pcs of potatoes Cook one of the half potatoes and set aside the 3 other potatoes Label the cooked potato as letter B. MAKING A CAVITY Make a cavity of each half potato Label the raw potato as A B and C In potato A place salt on the cavity In potato B place sugar in the cavity Leave the potato C empty. Place sugar on the cavity of potato D C. POTATO OSMOSIS - Place distilled water in the basin and arranged the potatoes inside the basin. Leave it for 1hr. Observe after an hour. Do not mind the color of the potato. QUESTIONS: 1. What can you conclude by comparing potato A and potato D? 2. The liquid in the cavity of some potatoes came from where? 3. What is your conclusion about the experiment?Using C1*V1 = C2*V2, please complete the calculations for the substrate row & show me how to do it as I am unsure. *The final sample is contained in using 2mL centrifuge tubes. answer all or else I will upvote
- Flame Test (Unknown) View the Unknowns to see the results of the flame test. Record Your Observations (clearly and neat hand writing please)Question 2. After sterility test of an injectable it was observed that an injection is failed the test what will you do then depending on the product nature (heat sensitive/ heat resistant) (Not more than one sentence)? Mention the purpose of product inhibition test and how it is performed (Not more than one sentence) ? How will you check the validity of a medium (Not more than one sentence) ?EXPERIMENT :DETERMINATION OF CHEMICAL OXYGEN DEMAND (COD) 1. OBJECTIVES To determine the chemical oxygen demand of the given wastewater samples. 2. PROCEDURE Preparing the Sample 1. Open a reaction vial with a white cap and add the specified volume. (Ensure that appropriate personnel safety equipment is used.) LR-/MR: 2 ml water sample HR: 0.2 ml water sample 2. Prepare a blank by using deionised water (TOC-free) instead of the sample (LR/MR: 2 ml, HR: 0.2 ml). 3. Replace the cap tightly. Invert the vial gently several times to mix the contents (The vial will become hot during mixing!) and digest the vials for 120 minutes in the reactor at a temperature of 150°C. 4. Remove the vials from the reactor and allow them to cool down to 60°C or less. Mix the contents by inverting each vial several times while still warm. Then allow the vials to cool to ambient temperature before measuring. 3:Results Sample COD reading (mg/L) Leachate 216 Factory 423…