Reference no: EM13114307
1) if onion cells are isotonic to 0.5% NaCl solution. What will be happened if the onion cells are placed in a 0.3% and 0.8% NaCl solutions?
2) In "Chardakov method for water potential measurement" experiment, you find that 0.30 M solution has not been changed by water loss or absorption by the potato in it. Determine the osmotic potential in Mpa of this solution (0.25 M = -5.75 Bars).
3) In Chardakov method for water potential measurment" experiment, once we cut the potato cylinders, why we have to place them in a covered beaker? (best guess please)
4)In the experiment "Osmosis: a specific diffusion of water passing a semi-permeable membrane ", how do you make 10 ml solution for each designed salt solutions (0, 0.625, 1.25, 2.5 and 10% salt solution) from a provided 10% salt solution) from a provided 10% salt solution?
5) When we measure the freezing point of potato sap, once the apparent freezing point of the potato sap appears, why does the temperature of the cell sap rise?
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Calculate the net filtration pressure
: Calculate the net filtration pressure if capillary hydrostatic pressure is 60 mm Hg, capillary osmotic pressure is 25 mm Hg, and capsular hydrostatic pressure is 10 mm Hg.
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Use steps of hypothesis testing and draw distributions
: Using the .05 level, what should the experimenter conclude? (a) Use the steps of hypothesis testing, (b) sketch the distributions involved.
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Calculate the inner diameter of the tube in centimeters
: a cylindrical glass tube 13.0 cm in length is filled with mercury. The mass of mercury needed to fill the tube is found to be 107.5g. Calculate the inner diameter of the tube in centimeters.
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Consensual relationship agreements
: Create a counter argument against the use of CRAs in your current (or future) workplace. Discuss the ethical principles involved in the use of CRAs. Create at least one (1) other option besides CRAs that would address workplace romances.
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Why does the temperature of the cell sap rise
: In "Chardakov method for water potential measurement" experiment, you find that 0.30 M solution has not been changed by water loss or absorption by the potato in it. Determine the osmotic potential in Mpa of this solution (0.25 M = -5.75 Bars).
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What is the partial pressure of oxygen
: A gaseous mixture of rm O_2 and rm N_2 contains 36.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 485 mmHg.
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Imc and promotional strategies of nike
: Complete a minimum 800 word paper analyzing today's promotion strategies of the company you have chosen (Nike athletic shoes).
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What is the rna world hypothesis
: Explain the central dogma of biology? What is the RNA world hypothesis? If you mix all the macromolecules required for cell metabolism (lipids, carbohydrates, proteins, RNA, DNA), will you utilize a living cell? Justify your answer, give a referen..
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Sketch the distributions involved
: Using the .05 level of significance, what should we conclude about the theory that 24 hours is the natural cycle? That is, does the average cycle length under these conditions differ significantly from 24 hours?
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