Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 5, Problem 1AC
Summary Introduction
To hypothesize:
The reason that the plasma membrane of a paramecium is permeable to only 1% of water in comparison to human red blood cell and to explain whether paramecium has aquaporins in its plasma membrane.
Introduction:
AQP or aquaporins are the membrane proteins which act as channels for the transfer of water or some amount of solutes. These aquaporins are conserved in animals, plants, and bacteria. Paramecium is a free-living protozoan.
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Students have asked these similar questions
Using the appropriate osmotic terms (hypertonic, hypotonic, or isotonic) describe what would happen to each organism in the following settings:
A single-celled freshwater protist is placed into a beaker of salt water.
A salt-water snail is mistakenly put into a freshwater tank.
A head of lettuce is placed soaked in a sink of salt water.
A carrot is soaked a sink of distilled, pure water.
If an animal cell was placed in a hypertonic
solution, which answers predict what would NOT
happen?
Osmosis will cause the cell to lose water
The cell will expand and possibly die due to the
gain of salt by diffusion.
The cell will shrivel and possibly die due
The cell will not change
The cell will shrivel and possibly die due to loss
of salt by diffusion.
The cell will develop cancer
The cell will expand and possibly die due to the
gain of water by osmosis.
One of the following does not belong to the group. Identify the one and explain why it does not belong:
Facilitated diffusion
Simple diffusion
Vesicular transport
osmosis
Chapter 5 Solutions
Biology
Ch. 5.1 - Vicious Venoms Some of the most devastating...Ch. 5.1 - Prob. 1TCCh. 5.1 - Prob. 2CSCCh. 5.1 - Prob. 1CYLCh. 5.1 - diagram and describe the fluid mosaic model of...Ch. 5.1 - Prob. 3CYLCh. 5.2 - Prob. 1CYLCh. 5.2 - Prob. 2CYLCh. 5.3 - What is likely to have happened If, instead of...Ch. 5.3 - Prob. 1HYEW
Ch. 5.3 - Prob. 2TCCh. 5.3 - If a plant cell is placed in water containing no...Ch. 5.3 - Would a cell over use active transport to move...Ch. 5.3 - Prob. 5TCCh. 5.3 - Prob. 1CYLCh. 5.3 - Prob. 2CYLCh. 5.3 - Prob. 3CYLCh. 5.3 - Prob. 6TCCh. 5 - Animal cells are surrounded by________ fluid is...Ch. 5 - Which of the following cannot enter a cell by...Ch. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Prob. 5MCCh. 5 - Prob. 1FIBCh. 5 - A membrane that is permeable to some substances...Ch. 5 - Prob. 3FIBCh. 5 - After each molecule, place the two-word term that...Ch. 5 - Prob. 5FIBCh. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - What are the five categories of proteins commonly...Ch. 5 - Prob. 4RQCh. 5 - Define hypotonic, hypertonic, and isotonic. What...Ch. 5 - Describe the following types of transport...Ch. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 1ACCh. 5 - Predict and sketch the configuration that ten...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Each diagram shows a cell with a semipermeable membrane submerged in a solution. Solutions contain different amounts of solutes (glucose, sodium). The membrane is NOT permeable to glucose or sodium.arrow_forwardGive reason why a plant cell is kept in hypertonic solution it becomes flaccid.arrow_forwardBased on the features of the cell membrane explain why water molecules require channel proteins e.g. aquaporin to move across the membrane.arrow_forward
- Which statement is false regarding bacterial cell walls? A. Both Gram positive and Gram negative bacteria contain peptidoglycan in the cell wallB. Gram negative bacteria have a thin layer of peptidoglycan and stain pinkC. Gram (+) bacteria are positively charged due to phosphate groups in teichoic acidsD. Gram (-) bacteria have an outer cell wall containing lipopolysaccharideE. Both teichoic acids and lipopolysaccharide can be used to separate bacterial speciesarrow_forwardColon Cecum QUESTION 40 Osmosis is the: net movement of water to the side of the membrane having the lower concentration of solute molecules. net movement of molecules down a concentration gradient from a region of higher concentration to a region of lowe concentration. net movement of large molecules using a vesicle and ATP. net movement of molecules up a concentration gradient from a region of lower concentration to a region of high concentration. O net movement of water to the side of the membrane having the higher concentration of solute molecules. Click Save and Submit to șave and submit. Click Save All Answers to save all answers. 800 00arrow_forwardFormulate a hypothesis on how bacterial cells use their characteristics to take up hydrocarbons from oil spills. Specify the mode of transport through the cell membrane (active vs. passive/endocytosis vs. exocytosis) and support your claim with scientific reasoning. Describe how these bacterial cells would take up hydrocarbons if: they only possessed a cell membrane and lacked the cell wall. they possessed membrane-bound organelles such as vesicles. Include in your answer the lipid bilayer, structural components of cell membranes and those of cell walls and discuss the selective permeability characteristic of membranes.arrow_forward
- A cell that is missing this structure would not have a rigid structural support outside of its plasma membrane and would not be protected from exploding when placed in water. Name the structure and tell why. Then state which type of cell(s) have this structure.arrow_forwardConsider a cell membrane. In order to survive, the cell must move nutrients across the membrane and it must move waste products out of the membrane. Describe the strategies available to the cell for the transport of materials. Describe these strategies. Indicate what happens when equilibrium is reached for each strategy.arrow_forwardThe beaker in the diagram has a selectively permeable membrane separating two solutions. Assume that the salt molecules can pass freely through the membrane. Will the water level on either side of the membrane change? Explain your answer.arrow_forward
- If the cell membrane was completely permeable the concentration inside the cell would be same as Outside give reasonarrow_forwardLet this picture represent one Elodea cell surrounded by salt water. The small circles are the water molecules and the larger circles are the salt molecules. Salt Molecule Water Molecule o ? QUESTION 1. Where is the water in high concentration? (circle your choice) Inside of the cell or Outside of the cell 2. Where is the water in low concentration? (circle you choice) Inside of the cell or Outside of the cell 3. In what direction will osmosis (water diffusion) occur? (circle your choice) Into the cell or Out of the cell 4. Explain what you saw in your second picture of the Elodea leaf cells. What is the membrane surrounding the grouped chloroplasts? What happened to the central vacuole?) 5. When you eat a lot of highly salted food (a bag of potato chips, for example), what happens? Why? 6. People with high blood pressure or heart problems are told to be careful about their intake of salt. Why?arrow_forwardUse the table below to compare (similarities) and contrast (differences) facilitated diffusion and pinocytosis. Last one is your choice of a difference of similarityarrow_forward
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