CAMPBELL BIOLOGY-MASTERING BIO.ACCESS
12th Edition
ISBN: 9780136486787
Author: Urry
Publisher: SAVVAS L
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Chapter 36, Problem 7TYU
Compared with a cell with few aquaporin proteins in its membrane, a cell containing many aquaporin proteins will
- (A) have a faster rate of osmosis.
- (B) have a lower water potential.
- (C) have a higher water potential.
- (D) accumulate water by active transport.
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How does the presence of high concentrations of salt orsugars in food prevent growth of microorganisms?(a) It sets up a hypotonic environment causing the cells tolyse.(b) It sets up an isotonic environment in which cells die.(c) It sets up an environmental high in osmotic pressureresulting in cellular plasmolysis (water loss).(d) a and b.(e) None of the above.
Which of the following comparisons between active and the passive transport systems best describes them?
(A) Active transport svstem does not require ATP molecules, while passive
•transoort system does
(B) Passive transport system does not require ATP molecules, while active
transport system does
(C) Both the active and the passive transport systems require ATP molecules.
(D) Neither the active nor the passive transport system requires ATP molecules.
A 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.
Chapter 36 Solutions
CAMPBELL BIOLOGY-MASTERING BIO.ACCESS
Ch. 36.1 - Why is long-distance transport important for...Ch. 36.1 - Some plants can detect increased levels of light...Ch. 36.1 - WHAT IF? If you prune a plant's shoot tips, what...Ch. 36.2 - If a plant cell immersed in distilled water has a...Ch. 36.2 - Prob. 2CCCh. 36.2 - How would the long-distance transport of water be...Ch. 36.2 - Prob. 4CCCh. 36.3 - Prob. 1CCCh. 36.3 - WHAT IF? Suppose an Arabidopsis mutant lacking...Ch. 36.3 - MAKE CONNECTIONS How are the Casparian strip and...
Ch. 36.4 - Prob. 1CCCh. 36.4 - Prob. 2CCCh. 36.4 - WHAT IF? If you buy cut flowers, why might the...Ch. 36.4 - Prob. 4CCCh. 36.5 - Prob. 1CCCh. 36.5 - Prob. 2CCCh. 36.5 - Prob. 3CCCh. 36.5 - WHAT IF? Apple growers in Japan sometimes make a...Ch. 36.6 - How do plasmodesmata differ from gap junctions?Ch. 36.6 - Prob. 2CCCh. 36.6 - WHAT IF? Suppose plants were genetically modified...Ch. 36 - How did the evolution of xylem and phloem...Ch. 36 - Is xylem sap usually pulled or pushed up the...Ch. 36 - Prob. 36.3CRCh. 36 - Prob. 36.4CRCh. 36 - Prob. 36.5CRCh. 36 - By what mechanisms is symplastic communication...Ch. 36 - Prob. 1TYUCh. 36 - Prob. 2TYUCh. 36 - Prob. 3TYUCh. 36 - Photosynthesis ceases when leaves wilt, mainly...Ch. 36 - Prob. 5TYUCh. 36 - A plant cell with a of -0.65 MPa maintains a...Ch. 36 - Compared with a cell with few aquaporin proteins...Ch. 36 - Prob. 8TYUCh. 36 - EVOLUTION CONNECTION Large brown algae called...Ch. 36 - SCIENTIFIC INQUIRY INTERPRET THE DATA A Minnesota...Ch. 36 - SCIENTIFIC INQUIRY Cotton plants wilt within a few...Ch. 36 - WRITE ABOUT A THEME: ORGANIZATION Natural...Ch. 36 - Prob. 13TYU
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- A laboratory technician accidentally places red blood cells in a hypertonic solution. What happens? (a) They undergo plasmolysis (b) They build up turgor pressure (c) They swell (d) They pump solutes out (e) They become dehydrated and shrunkenarrow_forwardA) Based on the drawings above, which molecules were able to diffuse through the 150 MWCO membrane? B) Which molecules(s) were not able to diffuse? Why not? C) Which side of the chamber had the greater osmolarity/osmotic pressure and how could you tell?arrow_forwardPlease answer.... a) State which series depcit tubes that were placed in isotonic, hypertonic, and hypotonic environments. b) In the above graph, which tubes appear to show internal turgor pressure counteracting osmosis? Explain how you can tell this by looking at the graph.arrow_forward
- 1) Draw a model of the plasma membrane to form a cell. Include a tube embedded in the membrane. Show 2 water molecules inside the cell and 12 water molecules outside the cell. Indicate which way the water will move through the aquaporin with an arrow. a) Using your knowledge of membrane transport, which direction will the water molecules move through the aquaporin? Why? b) Why would water have a difficult time crossing the cell membrane? Keep in mind the structure of water in your answer. 2) Develop an explanation for the necessity of having kinks in the hydrophobic tail of the phospholipids that make up cell membranes. a) Develop an explanation for the necessity of having kinks in the hydrophobic tail of the phospholipids that make up cell membranes.arrow_forwardIn cotransport (indirect active transport) (a) a uniporter moves a solute across a membrane against its concentration gradient (b) the movement of one solute down its concentration gradient provides energy for transport ofsome other solute up its concentration gradient (c) a channel protein moves ions by facilitated diffusion (d) osmosis powers the movement of ions against their concentration gradient (e) sodium is directly transported in one direction, and potassium is indirectly transported in the same directionarrow_forwardAnswer itarrow_forward
- Differentiate between (a) Osmotic Pressure and Osmotic Potential(b) Imbibition and Diffusionarrow_forwardWhat condition does the diagram show? movement of water a) The solution on the left side of membrane is hypoosmotic. b) The solution on the left side of the membrane is hyperosmotic. c) The solution on the left side of the membrane is isoosmotic. O d) The solution on the right side is hyperosmoticarrow_forwardMatch the definitions with the words: Direct Diffusion, Facilitated Transport, Active Transport a) passive movement of molecules through a protein channel, down the solute's concentration gradient b) using a vesicle to move many molecules into a cell c) movement of molecules through a protein transporter, requires ATP, against the solute's concentration gradientarrow_forward
- When placed in a ______________ solution, a cell will lose water through osmosis. The process results in the ______________ of red blood cells. (a) hypotonic, crenation (b) hypertonic, crenation (c) isotonic, hemolysis (d) hypotonic, hemolysisarrow_forward1) A plant cell with a pressure potential of 5 bars and an osmotic potential of -9 bars is in equilibrium with a surrounding solution that is open to the air. What is the water potential of the surrounding solution? 2) A plant cell, when initially placed in pure water, has an osmotic potential of -4 bars and a pressure potential of +2 bars. a) Which way will water diffuse? b) When will net diffusion stop? c) When equilibrium is reached, what are the cell's osmotic potential and pressure potential values?arrow_forwardDraw one elodea cell (freshwater plant) after being in saltwater. Label its choloroplast, cell wall, plasma membrane, nucleus, and central vacuole. Which ones are present? 1b) Based on this drawing, which structure is keeping the elodea from going through osmotic lysis in its habitat?arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license