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Question: A one hundred ml vessel is filled with water separated in equal parts by a semipermeable membrane. The molecular weight cut off ( MWCO) of the membrane is 100g/mol. In compartment A , 0.5 moles of calcium gluconate ( molecular weight: 430.373g/ mol) is dissolved in the water. ** Assuming full dissociation of calcium gluconate in water and no net movement of water across the memebrane. a. Calculate the molarity, osmolarity, and osmolality of the calcium gluconate solution b. In your own words, describe the behavior of calcium ions as they diffuse across the semipermeable membrane. c.If you were to place a potentiometer electrode in compartment A and a reference electrode in compartment B, what voltage would you measure? What voltage would you measure if the electrodes were switched ? ** assuming free movement of water across the membrane, d. Calculate the number of glucose molecules you would need to add to compartment B to keep the volume of water in each compartment equal .
The small intestine is specialized for absorption by the huge number of villi that line the intestinal wall. Villi have cells that generate intestinal enzymes which complete the digestion of peptides and sugars.
Determine when an organism incorporates genetic material from another orgainism that is not its parent, this is know as
A cross between two pink snapdragon plants produces 46 Red snapdragons, 115 pink snapdragons, and 42 white snapdragons.
Discuss the properties of the wild type amino acid? Properties include charge, shape, size and flexibility, features unique to the amino acid.
A molecular level description means that you must explain the structure of water and how that structure leads to the observation made- in this case that water beads on waxes.
A mole of an assured compound contains 207.7 g of lead and 32.00g of oxygen. Without doing any calculations, tell whether a formula Unit of a compound contains more atoms of lead or more atoms of oxygen. Explain in details.
The trend in the U.S. is having children later in life than previous generations. What effects may this trend have on the incidence of late-acting dominant lethal alleles in the population.
Assume you remove your test cultures from the incubator and notice that one of them- a know fermenter- has a gas bubble in the Durham tube.
a series of protein free patient blood samples at time; 0, 30, 60, 90, 120, 180 mins. I also have a standard sample. I have measured absorbance of these samples; 0.655, 0.717, 0.689, 0.430, 0.852, 0.477 respectively
What defence was successful in preventing you from grab the snake. While travelling in Texas, you stumble across a snake with red, yellow, and black bands.
During the nineteenth century, the new theory of evolution was criticized on grounds that if an advantageous variant trait happened to appear in a population,
In dialysis process, blood of the patient is moved to a dialysis machine. The equipment contain dialysis fluid and a dialysis membrane.
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