Consider each reaction of yeast cells with the sugar solutions. How much time should pass between the initial reading of gas volume in the syringe and the final reading of gas volume in the syringe? 10 minutes O 10 seconds O 1 minute O2 minutes
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- Plot absorption versus time using the graph label mAbs vs time(s) from 0 to 120 s in 10-s intervals. Plot a line that can be used to calculate the initial rate using the graph label Initial Rate.Liguld A Is known to have a higher viscosity and higher vapor pressure than Liquld B. Use these facts to predict the result of each experlment in the table below, if you can. predicted outcome experiment OP A will be greater than P. Liquid A and Liquid B are each pumped through tubes with an inside diameter of and PB OPA Will be less than p, will be less than PR 34.0mm, and the pressures PA OPA will be equal to Pa needed to produce a steady flow of 4.0mL/s are measured. It's impossible to predict whether P, or PR will be greater without more information. O Eventually both liquids boil, A first and then B. 20.0mL of Liquid A are put in one sealed O Eventually both liquids boil, B first and then A. 5L flask, and 20.0 mL of Liquid B are put O Neither liquid will boil in another sealed 5 L flask, The pressure in each flask is slowly increased by pumping in argon gas. It's impossible to predict whether eitherliquid boils without more information.Temperature (°C) 10 30 50 60 70 Number of bubbles of gas produced per minute 0 3 7 12 7 4 1 Mr. Hughes prepares his wine by adding yeast to grape juice. The airlock (which allows gas to be released) at the top of the carboy (large glass container) detects bubbles of gas released by the yeast cells. Mr. Hughes notes that the rate of respiration varies with temperature, (which he can control using ice and heating belts) as indicated by the data above. 1. Sketch a graph of the data from this experiment. Be sure to properly label the independent and dependent variable. You should also have a proper title and appropriate scale, and neatly and properly graph the data for full marks. 40 20
- Fig. 2.1 shows photomicrographs of lung tissue at the same magnification. One shows healthylung tissue and the other shows lung tissue from a person with COPD. Line AB shows the diameter of one healthy alveolus. Line CD shows the diameter of an area oflung where the alveoli have been destroyed. The real diameter of healthy alveolus is 200 µm.If line AB in the picture is 2 cm, calculate the magnification of the picture...... Magnification: …………………… please solve with step max 15-20 minutes and no reject thank uRetort stand Leafy shoot Syringe containing water for pushing air back to right-hand end of capillary tube Rubber bung Graduated capillary tube Water Air Conical flask Rubber tubing Figure 1 State the name of the apparatus in Figure 1. What role does the syringe play to facilitate accuracy of results? Define the term transpiration'. Identify TWO precautions that must be taken when setting up the apparatus in Figure 1. Describe how the apparatus can be used to measure the rate of uptake of water in cm min'.You decide to cure your hiccups by breathing into a paper bag. Assumethat the bag is initially filled with 500 ml air (referenced to BTP) havingthe ambient air composition given in Table. Assume a breathing rateof 12 breaths/min, a CO2 production rate of 235 ml/min at BTP, and anO2 consumption rate of 284 ml/min at BTP. You can also assume that youbegin by inhaling all the air in the bag (i.e., tidal volume is 500 ml for thefirst breath), and that on each subsequent breath you increase your tidalvolume so as to completely empty the bag on inhalation. Compute the CO2concentration (as a percentage) in the bag after exhalation on the 10th breath.Although not particularly realistic, you can assume that the normal amountof CO2 is transferred from the lungs to the expelled air with every breath,even though the CO2 concentration in the bag is continually increasing
- s and I Ry Flag this Question 1) Base your answer to the following question on the table below. Sample Size Products of Visible respiration ethanol and CO2 H2O and CO2 organelles none nucleus --- From experiments on the two samples, a student obtained the information given above. Based on her observations, what is the expected size ratio of Sample B cells to Sample A cells? A) B cells and A cells are about equal in size B) B cells are about 10 times smaller than A cells C) B cells are about 10 times larger than A cells D) B cells are about 2 times smaller than A cells E) B cells are about 2 times larger than A cellsExplain how you would determine whether an O2 device is delivering a precise concentration of O2 or a variable concentration of O2.The hemoglobin in mammalian blood is usually thought ofsimply as increasing the amount of O2 that can be carried by eachliter of blood. However, in a lecture on hemoglobin, a respiratoryphysiologist made the following statement: “The presence ofhemoglobin in the blood also makes possible the rapid uptakeof O2 by the blood as it flows through the lungs.” Explain thelecturer’s point.
- Supernumerary fusion cells (FCs) form in the dorsal trunk (DT) in aopO199 embryonic trachea. How could you test whether the extra FCs are from FCs dividing, or from a change in the fate of other tracheal cells? What other possible cellular mechanism could be taking place here?The air supply to a fermenter was turned off for a short period of time and then restarted. A value for C* of 7.3 mg/l of has been determined for the operating conditions. Use the tabulated measurements of dissolved oxygen (DO) values in the following table to estimate the oxygen uptake rate and kla in this system. Time (min) DO (mg/l) -1 3.3 Air off 3.3 1 2.4 2 1.3 3 0.3 4 0.1 0.0 Air on 0.0 7 0.3 1.0 9. 1.6 10 2.0 11 2.4 12 2.7 13 2.9 14 3.0 15 3.1 16 3.2 17 3.2Consider a P20 micropipette. If the three digits are 185 from top to bottom, what volume would be transferred ? Would that be a safe volume to transfer with this P20 ?
