During plasmolysis, the volume of water will__________. During lysis, the volume of water will__________. A. decrease; increase B. increase; stay the same C. increase; decrease D. decrease; stay the same
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During plasmolysis, the volume of water will__________. During lysis, the volume of water will__________.
A. decrease; increase
B. increase; stay the same
C. increase; decrease
D. decrease; stay the same
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- When a semipermeable sac filled with a solution containing 10% glucose is immersed in water, the fluid volume in the sac increases. What would happen if the sac solution was replaced with a 20% glucose solution? Group of answer choices A) sac would gain more fluid B) sac would gain the same amount of fluid C) no effect D) sac would lose fluidA hypertonic glucose solution A. Causes cell hemolysis B. Has the same osmotic pressure as red blood cells C. Causes cell crenation D. Has a concentration less than an isotonic solutionIn the dialysis tube there is 25% sucrose/iodine and same thing 25% sucrose/ iodine in the beaker. The initial mass was 11.59 and the final mass was 11.33. So that means that it’s permeable right? To both water and the sucrose/iodine?
- A fraternity hazing practice involves pressuring freshmen to drink large quantities of pure water in a very short time period. Explain in a few sentences why this is dangerous, given what you know about osmotic pressure and cells._______ is the net movement of substances from a high concentration to a low concentration medium, whereas the _______ is the net movement of water across a membrane. a. Diffusion- ultrafiltration b. Dialysis-osmosis c. Diffusion-osmosis d. Osmosis-diffusionWhich answer is correct (a or b) for the question about why your hands and feet get wrinkled after staying in the bath for too long. a) the water and dissolved particles are drawn out of your skin by diffusion into the large body of water around you. b) the water is actually drawn into your skin by osmosis. explain why (a or b) is correct.
- Warm water ______________________________. a. expands b. shrinks c. is more acidic d. two of the aboveDescribe what happens when a dialysis bag containing pure water is suspended in a beaker of seawater. What would happen if the dialysis membrane were permeable to water but not solutes?If a fresh-water fish is placed in a seawater aquarium, then the fish may thrive because hemolysis will occur. thrive because seawater is isotonic with freshwater. die because crenation will occur. die because the cells will burst.
- Give the membrane functions and discuss briefly. How does a dialysis tube dialysis tube represent a cell membrane? Why is the membrane important in a dialysis machine?Which of the following statements IS true? (Choose only 1 answer) a) The pH value of lungs is lower than that of tissue b) Protons compete with oxygen c) Protons will facilitate oxygen release in lungs d) Production of lactate during exercise will accelerate oxygen deliveryIn 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