EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
5th Edition
ISBN: 9781305583856
Author: STARR
Publisher: CENGAGE L
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Chapter 4, Problem 11SQ
Summary Introduction
Introduction: When a lipid bilayer separates two fluids with differing solute concentrations, water will diffuse across it. A hypotonic solution describes a fluid that has a low overall solute concentration. When a cell is placed in the hypotonic solutions, the water moves into the cell that may cause cell to burst.
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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?
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Chapter 4 Solutions
EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
Ch. 4 - Figure 4.5 Energy inputs and outputs in chemical...Ch. 4 - Figure 4.10 Enzymes, temperature, and pH. Each...Ch. 4 - Prob. 3FIOCh. 4 - Prob. 4FIOCh. 4 - The genus Ferroplasma consists of a few species of...Ch. 4 - Prob. 2DIDCh. 4 - Prob. 3DIDCh. 4 - Prob. 1SQCh. 4 - Prob. 2SQCh. 4 - Prob. 3SQ
Ch. 4 - Prob. 4SQCh. 4 - Prob. 5SQCh. 4 - Prob. 6SQCh. 4 - Prob. 7SQCh. 4 - Prob. 8SQCh. 4 - Ions or molecules tend to diffuse from a region...Ch. 4 - Prob. 10SQCh. 4 - Prob. 11SQCh. 4 - Prob. 12SQCh. 4 - A transport protein requires ATP to pump sodium...Ch. 4 - Prob. 14SQCh. 4 - Prob. 15SQCh. 4 - Prob. 1CTCh. 4 - Water molecules tend to diffuse in response to...Ch. 4 - Dixie Bee wanted to make JELL-O shots for her next...Ch. 4 - The enzyme trypsin is sold as a dietary enzyme...Ch. 4 - Prob. 5CT
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- A 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 solutionarrow_forward_______ 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-diffusionarrow_forwardThe diffusion of water across a selectively permeable membrane is called? A. Active transport B. Facilitated diffusion C. Osmosis D. Cell membranearrow_forward
- The diffusion of substances within a solution tends to move those substances ________ their ________ gradient. a) up; electrical b) up; electrochemical c) down; pressure d) down; concentrationarrow_forwardWhich 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.arrow_forwardWhich of the following processes requires protein carriers to move materials up their concentration gradient? ____ a. active transport ____ b. osmosis ____ c. endocytosis ____ d. facilitated diffusionarrow_forward
- You have a beaker filled with a solution containing 2M glucose, 4M urea and 1M salt.Suspended in the solution is a cell that containing a solution of 1M glucose, 8M urea and 3Msalt. The membrane of the cell is permeable to glucose and salt but not urea. Answer each of thefollowing questions:a. Where will water move?b. Where will urea move?c. Where will glucose move?d. Where will salt move?e. What will happen to the volume of fluid inside the cell?f. What will happen to the osmolarity of the fluid inside the cell?arrow_forwardWhich process does not require cellular energy (and thus, it is a passive process)? a. primary active transport. b. carrier-mediated facilitated diffusion. c. endocytosis. d. exocytosis.arrow_forwardThe 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.arrow_forward
- Whether in a gas, a liquid, or a semisolid, diffusion always occurs a). at the same rate. b). from high to low solute concentration. c). faster at lower temperaturesd). from low to high solute concentration.arrow_forwardWhen an animal cell is placed on an isotonic solution, water molecules will A) Move out of the cell, resulting in shrinkage B) move into the cell until it bursts C) move into and out of the cell at equal rates D) stop moving need help for this, thanksarrow_forwardProteins like albumin in the blood maintain water inside the blood vessels using A. Osmotic pressure B. Active diffusion C. Active transport D. Diffusionarrow_forward
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