Calculate the transpiration rate for the grape leaf above with a leaf surface area of 18 cm2. Air temperature was 21 degrees C, reference relative humidity was 35%, experimental relative humidity was 43%, air flow rate was 125 mL/min, and barometric pressure was 759 mm Hg (1 mm Hg = 1.33322 mbar). a) 0.0000957 b) 0.05 c) 24.68 d) 1.011914
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- Calculate the ml/m^2 for a leaf with the surface area of .004m^2 and .30 ml water displacedDuring transfer of liquids using a micropipette: What would it mean if the mean is very close to the expected value but your standard deviation is high ?Compute for the CFU/ml of drinking water. Is this Passed or Failed based on the Philippine National Standards for Drinking Water for Heterotrophic Plate Count (HPC)?
- What volume of a 40% v/v solution must be used to produce 500mL of 5% v/v solution?Ismail analyzed the triester content in an esterified oil using the gas chromatographic technique. The measurements for triester contents are 33.27, 33.37, and 33.34%. Calculate: (i) the average triester content (ii) the standard deviation, s for triester content (iii) the relative standard deviation for the triester contentA 10-L stirred tank is used to cultivate mouse myeloma cells. Dry air is sparged from the bottom at 1.0 L/min to supply oxygen to the system. The gas composition at the outler is 16% oxygen, 3.5% CO2, 6.5% water vapor, and balanced nitrogen. The ambient pressure and temperature are 1 atm and 37 °C, respectively. The dissolved oxygen in the reactor is controlled at 20% of saturation with ambient air. What is the respiratory quotinent (RQ) (i.e., mole CO2 produced/mol O2 consumed)? Assume that the mole fraction of CO2 in the ambient air is negligible. The universal gas constant R = 0.082 L*atm/mol*K
- A 10-L stirred tank is used to cultivate mouse myeloma cells. Dry air is sparged from the bottom at 1.0 L/min to supply oxygen to the system. The gas composition at the outler is 16% oxygen, 3.5% CO2, 6.5% water vapor, and balanced nitrogen. The ambient pressure and temperature are 1 atm and 37 °C, respectively. The dissolved oxygen in the reactor is controlled at 20% of saturation with ambient air. a. Assuming the reactor is at a steady-state, what is the volumetric oxygen transfer coefficient (kLa)? b. The specific OUR of myeloma cells is 5*10-11 mmol/cell*h. What is the cell concentration? c. What is the respiratory quotinent (RQ) (i.e., mole CO2 produced/mol O2 consumed)? Assume that the mole fraction of CO2 in the ambient air is negligible. The universal gas constant R = 0.082 L*atm/mol*KPROBLEM 12.27 (a) Use Table 12.5 to calculate the osmotic pressure of the hemodi- alysis solution at 25 °C. (b) If the osmotic pressure of blood at 25 °C is 7.70 atm, what is the direction of solvent movement across the semipermeable mem brane in dialysis? (Blood to dialysis solution or dialysis solution to blood)in the data given, using salometer, water and salt is being combined with that the results showed that the percentage of salt dissolving in distilled water has greatest percentage, what is the reason behind?
- You obtained the following raw data when setting up a Bradford standard curve: BSA (mg/ml) Absorbancy 595nm 0 0.225 1 0.310 2 0.420 3 0.510 4 0.610 5 0.720 6 0.810 7 0.915 8 0.950 9 0.980 10 0.990 Set up a standard curve. What would the quality of the line-fit (R2 value) be if you do not exclude experimental outliers? (Give you answer to 4 decimal places) Answer Skip ExitProcedure II Leaf Sample Type Illumination Level Oxygen Concentration Change Data (ppm) Elapsed Time (s) Oxygen Change Rate (ppm/s) Sun- Adapted 0% -15.05 40.0s -0.37625 Shade-Adapted 0% -9.03 40.0s -0.22575 Leaf Sample Type Illumination Level Carbon Dioxide Concentration Change Data (ppm) Elapsed Time (s) Carbon Dioxide Change Rate (ppm/s) Sun- Adapted 0% 15.05 40.0s 0.37625 Shade-Adapted 0% 9.03 40.0s 0.22575 Procedure III Leaf Sample Type Illumination Level Oxygen Concentration Change Data (ppm) Elapsed Time (s) Oxygen Change Rate (ppm/s) Sun- Adapted 15% 5.13 40.0s 0.12825 Shade-Adapted 15% 8.80 40.0s 0.22 Are the results from Procedures II and III consistent with research findings that there are differences in chlorophyll production and enzyme activity between shade-adapted leaves and sun-adapted leaves? Explain your reasoning. Cite your results from…Why should the ethanol/lysate boundary not be disturbed?