Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 7, Problem 15TYK
Which of the following describes cotransport?
- a. active transport of two solutes through a cotransport protein
- b. passive transport of two solutes through a cotransport protein
- c. a pump such as the sodium-potassium pump that moves ions in two different directions
- d. transport of one solute against its concentration gradient in tandem with another that is diffusing down its concentration gradient
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following best describes a hyperosmotic solution?
A. a solution with a higher concentration of solutes as compared to the other side of the membrane
B. a solution with a lower concentration of solute as compared to the other side of the membrane
C. a solution with equal solute concentration as compared to the other side of the membrane
D. none of the above
_______ 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-diffusion
Compound Sodium Lactate is isotonic solution. this mean that it
a. reduces movement of sodium across the membrane
b.prevent movement of water across the semi permerable cell membrane
c. promotes movement of water out of the cell
d. facilitates equal movement of water across the semi permerable cell membrane
Chapter 7 Solutions
Study Guide for Campbell Biology
Ch. 7 - Label the components in the following diagram of a...Ch. 7 - a. Cite some experimental evidence that indicates...Ch. 7 - List the six major functions that membrane...Ch. 7 - What types of molecules have difficulty crossing...Ch. 7 - A solution of 1 M glucose is separated by a...Ch. 7 - a. What osmotic problems does the freshwater...Ch. 7 - Prob. 7IQCh. 7 - Prob. 8IQCh. 7 - a. How is cholesterol transported into human...Ch. 7 - Create a concept map to illustrate your...
Ch. 7 - The following diagram illustrates passive and...Ch. 7 - If a single layer of phospholipids coats the water...Ch. 7 - Glycoproteins and glycolipids are important for a....Ch. 7 - Prob. 3TYKCh. 7 - Prob. 4TYKCh. 7 - Prob. 5TYKCh. 7 - Use the following U-tube setup to answer questions...Ch. 7 - Use the following U-tube setup to answer questions...Ch. 7 - Use the following U-tube setup to answer questions...Ch. 7 - How much work is expended in diffusion? a. an...Ch. 7 - Prob. 10TYKCh. 7 - Prob. 11TYKCh. 7 - Water passes quickly through cell membranes...Ch. 7 - Facilitated diffusion of ions across a cellular...Ch. 7 - Prob. 14TYKCh. 7 - Which of the following describes cotransport? a....Ch. 7 - Prob. 16TYKCh. 7 - An animal cell moves potassium against its...Ch. 7 - Prob. 18TYKCh. 7 - Prob. 19TYKCh. 7 - In response to low blood pressure, the adrenal...
Knowledge Booster
Learn more about
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
- How can substances be transported across a membrane against their concentration gradient? A. If the plasma membrane is fully hydrophobic. B. The plasma membrane is permeable to all small molecules. C. Some membrane proteins act as channels for specific molecules to enter the cell. D. Some membrane proteins are ATP-dependent carrier molecules.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_forwardOsmosis is a special type of diffusion that ________. a. moves water from an area with a high solute concentration to one of lower solute concentration b. moves sugar from an area with a high solute concentration to a lower solute concentration c. moves water from an area with a low solute concentration to one of higher solute concentrationarrow_forward
- Which of the following processes requires protein carriers to move materials up their concentration gradient? ____ a. active transport ____ b. osmosis ____ c. endocytosis ____ d. facilitated diffusionarrow_forwardA transport protein requires ATP to pump sodium ions across a membrane. This is a case of_______ . a. passive transport c. osmosis b. active transport d. facilitated diffusionarrow_forwardA solute passively diffuses through a transport protein out of the cell, therefore, ____. a. the concentration of water is higher inside the cell than outside b. the concentration of water is lower inside the cell than outside c. the concentration of the solute is the same inside and outside the cell d. the concentration of the solute is lower inside the cell than outside e. the concentration of the solute is higher inside the cell than outsidearrow_forward
- Choose the best answer When a cell is placed in a hypertonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water exits the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.arrow_forwardWhich of the following is TRUE of sharks and other osmoconformers? A. The solute concentration inside the organism is maintained at a higher level by active import of solutes. B. The total solute concentration is the same inside and outside of the organism C. The solute concentration inside the organism is maintained at a lower level by active export of solutes. D. The NaCl concentration is the same inside and outside of the organismarrow_forwardThe figure below shows a U-shaped tube with the same level of water (green color) at both sides. What will likely happen if solutes will be added on the left side? Choose the best answer A. The left region with high solutes will have higher water potential. B. The left region with high solutes will have lower water potential. C. The water will move from the region with low solutes and high water potential to the region with high solutes and low water potential. D. The water on the right region will decrease as it moves to the opposite region. A, C, and D B, C, and Darrow_forward
- During passive transport, substances will move across a selectively permeable membrane until… explain why A. There is no longer any energy to be used B. All solutes reach the other side of the membrane C. There is no more room inside of the cell D. Equilibrium is reachedarrow_forwardHow can you tell that the transport of the same ion is by one or two different transport proteins?arrow_forwardWhich of the following statements about the sodium-potassium pump is correct? A) Both sodium and potassium move down their concentration gradient across the membrane B) 2 sodium ions are pumped out of the cell against their concentration gradient C) The sodium-potassium pump is a type of cotransport. D) ATP is used as an energy sourcearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license