BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Chapter 5, Problem 4RQ
Summary Introduction
To review:
The phenomena of diffusion and osmosis. Also, give a reason for the firmness of plant leaves and terminology used for water pressure inside the plant cells.
Introduction:
The phenomenon of diffusion and osmosis is very common in day-to-day life. Diffusion can take place between gases, liquids, or solid-liquid. On the other hand, osmosis is a special case of diffusion of liquid. Both osmosis and diffusion are very important as they help in processes like photosynthesis, respiration, uptake of water by plants, and regulation of opening and closing of stomata.
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Check out a sample textbook solutionStudents have asked these similar questions
Describe how extracellular solute concentration affects osmosis across theplasma membrane.
Osmosis is water movement across a semipermeable membrane. Which of the following is true about water movement across cell membranes?
A. In a hypotonic solution, cells will swell.
B. In an isotonic solution, cells will shrink.
C. In a hypertonic solution, cells will stay the same.
D. Cells can neither shrink nor swell because water cannot penetrate the plasma membrane.
Explain passive transport by osmosis using isotonic, hypertonic, and hypotonic in both animal and plant cell
Chapter 5 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 5 - Animal cells are surrounded by ______ fluid. This...Ch. 5 - Which of the following cannot enter a cell by...Ch. 5 -
3. Glycoproteins are important for
a. binding...Ch. 5 - Diffusions a. is always facilitated. b. occurs by...Ch. 5 - Which of the following is not true of endocytosis?...Ch. 5 -
1. Membranes consist of a bilayer of ________....Ch. 5 - A membrane that is permeable to some substances...Ch. 5 - Facilitated diffusion involves either _____...Ch. 5 - Prob. 4FTBCh. 5 -
5. After each molecule, place the two-word term...
Ch. 5 - Prob. 6FTBCh. 5 - Describe and diagram the structure of a plasma...Ch. 5 - Prob. 2RQCh. 5 - What are the five categories of proteins commonly...Ch. 5 - Prob. 4RQCh. 5 -
5. Define hypotonic, hypertonic, and isotonic....Ch. 5 -
6. Describe the following types of transport...Ch. 5 - Name the protein that allows facilitated diffusion...Ch. 5 - Imagine a container of glucose solution, divided...Ch. 5 - Prob. 9RQCh. 5 -
1. Different cells have different plasma...Ch. 5 - Prob. 2AC
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- explain how you can estimate the osmolarity of plant tissue by incubating pieces of it in different concentrations of sucrose solutions.arrow_forwardUnder what environmental conditions does water move into a cell byosmosis?arrow_forwardA cell containing 2% sucrose solution is placed in a hypertonic solution. A.) In one statement maximum, explain what a hypertonic solution is in reference to solute concentration. B.) In one statement, predict the direction of osmosis ( movement of water) C.) In one statement, predict the resulting change in the cell's shape.arrow_forward
- In your words explain passive transport by osmosis using isotonic, hypertonic, and hypotonic in both animal and plant cell.arrow_forwardWhat is osmosis? a. the process where water diffuses across the cells' membrane from an area of lower water concentration to an area of higher water concentration b. Where a solute diffuses across the cell membrane from an area of higher to lower concentration c. the process where water diffuses across a cells' membrane to an equal concentration of water on both sides of the membrane d. The process where a solute diffuses into water through membranous sacks not using energyarrow_forwardDuring osmosis through a selectively permeable membrane, a. water moves down its concentration gradient b. water moves to an area of higher solute concentration c. solutes move against their concentration gradient d. both a and b are correct e. both a and c are correct f. all of the above are correctarrow_forward
- Explain how salt concentrations contribute to the cell membrane intergrity in cells? What are the three different scenarios that could occur and why?arrow_forwardWhich statement best fits the following diagram? The purplish dots are sugar molecules and the blue areas are water molecules. On the left side the water molecwles have a concentration of 99.1% and on the right side the water molecules have concentration of 99.9%. 1) The level of fluid on the left will rise because water will move by osmosis through the membrane. 2) The level of the fluid on the left will fall as water moves to the right by osmosis. 3) The level of the water on the left will rise as a result of sugar molecules diffusing through the membrane. 4) The level of the water on the left will fall as sugar molecules diffuse through the membrane.arrow_forwardDescribe the chemical composition of membranes. What are the two most critical functions of membranes? What contributes to membrane fluidity and rigidity? Explain Diffusion. What are the differences between Osmosis and Dialysis? Explain the differences between Iso, Hypo, and Hypertonic conditions. If the solutions is Hypertonic then the cell would be?arrow_forward
- In the Osmosis Gizmo, the cell is placed in a very small chamber. Suppose a cell is placed in a large container of water with a very low solute concentration. What do you think would happen?arrow_forwardIn osmosis, water moves from a _____ concentration to a _____ lower concentration. Select one: higher, lower higher, higher lower, higher lower, lowerarrow_forwardExplain: what is osmosis? what are hypertonic, hypotonic, and isotonic cells?arrow_forward
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