6. What two values are measured to determine the concentration of a solution? If solutions A and B are separated by a membrane in the beaker shown below, will they be at equilibrium or will diffusion occur? (assume the solute can cross the membrane) Solution A 50 glucose 100 mL of water Solution B 100 glucose 200 mL of water

6. What two values are measured to determine the concentration of a solution? If solutions A and B are separated by a membrane in the beaker shown below, will they be at equilibrium or will diffusion occur? (assume the solute can cross the membrane) Solution A 50 glucose 100 mL of water Solution B 100 glucose 200 mL of water

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter5: Ground Rules Of Metabolism

Section: Chapter Questions

Problem 13SQ

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The principal force driving movement in diffusion is the. temperature particle size concentration gradient membrane surface area
5) What term is used to describe when two solutions have reached a balanced state?IsotonicHypertonicHypotonicTonicity 6) Blood is what kind of solution? Isotonic Hypotonic Hypertonic None of the above
1.) Define the following types of solutions and give its effect to cells:a. Hypertonic –b. Hypotonic -c. Isotonic - 2.) What are the most important extracellular and intracellular fluid ions and give the significance of each?
1.Which of the following is TRUE about the movement of water across membranes? a.Water migrates to an area of low salt concentration. b.Water migrates to an area with high lipid content c.Water migrates to an area with high salt concentration. d.Water migrates into and out of the cell at equal rates. 2. Which of the following molecules/ material can freely pass through the cell membrane's phospholipids? a.carbon dioxide b.lipids c.oxygen molecule
6. Why would a cell want to aggregate ions on one side of a cell membrane? Can u please tell me the answer and why?
5. Intravenous solutions must be prepared, to that they are isotonic to red blood cells. A0.9% salt solution is isotonic to red blood cells. Keeping this in mind, explain whatwould happen to a red blood cell placed into a solution of 99.3% water and 0.7% salt.Note to obtain full marks you must care both the intercellular environment to theextracellular environment (solute vs solvent).
4. The diagram below illustrates a red blood cell in three different solutions. Identify eachsolution as being hypertonic, hypotonic or isotonic.
7. Which of the following membrane transport proteins would you expect to be the most selective (although not the most rapid)? the bicarbonate ion channel the glucose carrier protein the potassium ion channel the chloride ion channel the sodium ion channel
1. In a passive process (passive transport) across a cell's plasma membrane, ______ differences drive the movement; while in an active process, the cell provides ______ to power the transport process. A. concentration, ATP B. ATP, concentration C. differential permeability , driving force D. driving force, differential permeability
1. It can separate large colloidal particles from small solute particles of a solution. a. Dialysis b. Facilitated diffusion c. Osmosis d. Diffusion 2. What force of interaction was cleaved in the addition of a reducing agent to the protein sample? a. Disulfide bonds b. hydrogen bond c. hydrophobic interactions d. ionic bond 3. The substance in the vinegar that dissolved the egg shell. a. calcium acetate b. calcium carbonate c. water d. acetic acid 4. As enzyme concentration increases, enzymatic activity increases provided the substrate concentration is constant. True or False 5. Diffusion is the separation of smaller molecules from larger molecules using a semi-permeable membrane. True or False
9)Two solutions are separated by a selectively permeable membrane that is not permeable to glucose. On one side of the membrane, solution A contains 10 percent glucose and on the other side, solution B contains 25 percent glucose. Which of the following is true? Select one: a. Solution A is hypertonic. b. The solutions are isotonic. c. Water would move from solution A to solution B. d. Glucose would move from solution B to solution A.
The rate of diffusion increases if thea. concentration gradient decreases.b. temperature of a solution decreases.c. viscosity of a solution decreases.d. All of these are correct.