Given the solute content of two solutions separated by a selectively permeable membrane predict which way water will flow across the membrane by osmosis? Thank you
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Given the solute content of two solutions separated by a selectively permeable membrane predict which way water will flow across the membrane by osmosis? Thank you
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- A concentration gradient for water must be present in cells for osmosis to occur. Which bag represented the steepest concentration gradient relative to its surrounding environment?Information: Osmotic pressure is the pressure that a solvent exerts against a semipermeable membrane, such as a cell membrane. The higher the solute concentration, the lower the osmotic pressure. Red blood cells have an osmotic pressure equal to that of a 0.90% (m/v) solution of sodium chloride and 5.0% (m/v) solution of dextrose. A solution that has a higher concentration that this is called hypertonic; one with a lower concentration is called hypotonic. Osmotic pressure is an important factor affecting cells. Osmoregulation is the homeostasis mechanism of an organism to reach balance in osmotic pressure.Hypertonicity is the presence of a solution that causes cells to shrink.Hypotonicity is the presence of a solution that causes cells to swell.Isotonicity is the presence of a solution that produces no change in cell volume.When a biological cell is in a hypotonic environment, the cell interior accumulates water, water flows across the cell membrane into the cell, causing it to…Define osmosis and solve simple problems involving osmosis; for example, predict whether cells will swell or shrink under various osmotic conditions.
- Determine the type of transport. Here are your options:Simple diffusion, facilitated diffusion, osmosis, primary activetransport, secondary active transport1. A hydrophobic molecule is moving through the membrane2. K+ moving against its gradient (low to high) through the sodiumpotassium pump3. Water moving through the cell membrane4. A solute moving down its gradient through a carrier proteinWith the discovery of CHIP28 (aquaporins), do you think water can move across a membrane even if the cell is dead? Explain. Thank you for the help!Which is not required for passive transport across a membrane (select all that apply and explain why): a concentration gradient a cotransported ion energy a protein channel
- Fast block to polyspermy is achieved by a. actin polymerization b. action potential c. osmosis d. membrane depolarization e. exocytosisOsmosis Pre-Lab Question Research the structures that protect plant and animal cells from damage resulting from osmotic pressure. Write a few sentences explaining what they are, how they work, and where they are located.In your words explain passive transport by osmosis using isotonic, hypertonic, and hypotonic in both animal and plant cell.
- Which of the following is false concerning osmosis? Question options: The net movement of water molecules from a region of lower water potential to a region of higher water potential across a semipermeable membrane. Individual molecules of water are in constant flux into and out of cells. The movement of water molecules from a region of higher water potential to a region of lower water potential across a semipermeable membrane. The effects of osmosis vary between cell types.Similarity is the concentration of osmotically active substances dissolved in solution within a cell. What types of molecules might be present in cells that affect osmolarity? In what part of the cell would you find each of your suggestions?What are the 3 defining characteristics of osmosis? plsssss help me answer this question, thank you.