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Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
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.
Provide short meaning for this terms
Isotonic solution
Hypotonic solution
Hypertonic solution
Turgor pressure
Diffusion pressure
Plasmolysis
Chapter 5 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
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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- 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
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- If the cell membrane was completely permeable the concentration inside the cell would be same as Outside give reasonarrow_forwardUse the table below to compare (similarities) and contrast (differences) facilitated diffusion and pinocytosis. Last one is your choice of a difference of similarityarrow_forwardDescribe ONE modification that could happen to the phospholipids in a membrane that would increase the permeability of the membrane to small non-polar molecules such as oxygen gas. Explain why this modification would increase membrane permeability.arrow_forward
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