n the dialysis bag experiment, what do you think will happen if we reverse the two solutions between the sac and the beaker for sac 4 (meaning sac 4 is filled with distilled water and beaker 4 is 40% sucrose)?  Will the sac gain or lose weight? a   water will not move because sac membrane is impermeable to sucrose; the sac will have no change in weight b   water will not move because sucrose can move across the sac membrane to equilibrium; the sac will have no change in weight c   water will move out of the sac; the sac lose weight d   water will move into the sac even more; the sac will gain weight

Why did the columns rise? Describe the mechanism.

the constant balancing act to remain an appropriate amount of solutes and water inside each cell a. endocytosis b. exocytosis c. metabolism d. osmoregulation e. facilitated diffusion

On the graph that relates absorbance to flavin concentration, draw a horizontal line that starts at the point on the y-axis that corresponds to the absorbance of your unknown sample and ends at the curve you drew through your data points . Next draw a vertical line that starts at the point where the horizontal line intersected the curve and ends at the x-axis. The point where this vertical line intersects the x-axis corresponds to the concentration of flavin in your unknown sample. What was the letter on the tube with your unknown sample? What is the concentration of the flavin in your unknown

Ethanol or Lactic acid G3P Руruvat Glucose G3P Руruvat Acetyl-CoA Citric Acid Охaloacetate

Which among the following statements is correct?   Group of answer choices Both statements are incorrect Negatively-charged proteins are eluted out first when a cation exchanger is used as the stationary phase for ion-exchange chromatography Both statements are correct Proteins that have higher affinity to the ligands are eluted out last in affinity chromatography

This graph shows the results of an experiment performed using frog eggs, whose membranes are nearly impermeable to water. A scientist injected some frog eggs with messenger RNA that coded for the production of membrane channel proteins called aquaporins. Control eggs were left untreated, so they did not produce aquaporins. Both groups of frog eggs were placed in a hypotonic solution and the volume of the eggs in each group was measured over a 5-minute period. The frog eggs with aquaporins increased in volume until finally rupturing, while the control eggs' volumes remained more constant. Using the graph and your knowledge of aquaporin channel proteins, which statements do you think are true? Select all that apply. relative volume 1.5 1.4 1.3 1.2 1.1 1.0 frog eggs with aquaporin 1 control eggs 2 x (rupture) 3 time (min) 4 -5

If you had a dialysis tube that contained 1.3M sucrose solution and youput it into a beaker containing 0.4M sucrose solution. Which direction Would the water move??