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
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Textbook Question
Chapter 7, Problem 2SYK
The following diagram illustrates passive and active transport across a plasma membrane. Use it to answer questions a–d.
- a. Which section shows facilitated diffusion? How can you tell? Explain whether the cell expends energy in this transport. What types of solutes are moved by this type of transport?
- b. Which section shows active transport? List two ways that you can tell.
- c. What types of solute molecules can diffuse through the membrane shown in section I?
- d. Which of these sections are considered passive transport?
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The image illustrates passive and active transport across the cell membrane.
(Use the diagram to answer questions A-C)
A.
1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not?
B.
1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport?
C. Which of these sections are considered passive transport? Explain.
The image illustrates passive and active transport across the cell membrane.
(Use the diagram to answer questions A-D)
A.
1. Which section represents facilitated diffusion?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not?5. What type of solute molecules may be moved by this type of transport?
B.
1. Which section shows active transport?2. Explain why or how can you tell?3. Does the cell expend energy in this transport?4. Why or why not?
C.
1. Which section shows diffusion?2. What type of solute molecules may be moved by this type of transport?
D. Which of these sections are considered passive transport? Explain.
Which statement is NOT true of membrane transport
• proteins?
A. Their specificity depends on their three-dimensional structure.
B. They are responsible in some cases for facilitated diffusion.
C. They are responsible in some cases for active transport.
D. They produce a chemical change in the molecules they are transporting.
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...
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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
- Which of the following methods of transport is being used to transfer the substance into the cell in the accompanying graph? a. diffusion down a concentration gradient b. osmosis c. facilitated diffusion d. active transport e. vesicular transport f. It is impossible to tell with the information provided.arrow_forwardAssume that a membrane permeable to Na+ but not to Cl- separates two solutions. The concentration of sodium chloride on side 1 is higher than on side 2. Which of the following ionic movements would occur? a. Na+ would move until its concentration gradient is dissipated (until the concentration of Na+ on side 2 is the same as the concentration of Na+ on side 1). b. Cl- would move down its concentration gradient from side 1 to side 2. c. A membrane potential, negative on side 1, would develop. d. A membrane potential, positive on side 1, would develop. e. None of the preceding is correct.arrow_forwardNa+ moves from high to low concentration, across the plasma membrane, through a protein channel that is permenantly open. Which statement is true about this process? a. It does not require ATP b. It is a form of active transport c. Movement is against the concentration gradient of Na+ d. The channel probably allows many different molecules and ions to crossarrow_forward
- Choose answer of the following Which of the following is incorrect regarding facilitated diffusion?a. It is a passive process.b. It allows the movement of molecules from areas of lowconcentration to areas of high concentration.c. It may use either channel or carrier proteins.d. It allows the rapid transport of glucose across the membrane.arrow_forwardWhich line on the attched graph shows simple diffusion and which shows carrier mediated transport? Why?arrow_forwardWhat is another way to answer this question Describe various examples of active transport. How is active transport different from passive transport? Without saying this: Active transport is when cells move against the flow/ concentration gradient, moving from low concentrations to high concentrations. Because of this, active transport requires ATP to work. Passive transport is different because it doesn't use much energy and moves from high concentration to a low concentration. Some examples of active transport are the Sodium-potassium pump ( the most well known one) where it takes sodium ions and pumps them outside of the membrane to let in potassium ions. Another one in plants is when a plant receives ions from the soil. The soil has a much lower concentration of ions than a plants root does, so ions have to move against the concentration gradient. Endocytosis and exocytosis are also forms of active transport. Where cells engulf its self around large molecules to bring…arrow_forward
- Which type(s) of vesicular transport is for nonspecific engulfment of fluid and materials from outside of the cell? a receptor-mediated endocytosis b exocytosis c pinocytosis d phagocytosis and pinocytosisarrow_forwardExplain how simple diffusion can be distinguished from facilitated diffusion and how active transport can be distinguished from passive transport.arrow_forwardImagine a hypothetical cell with a higher concentration of glucose inside the cell thanoutside. Answer the following questions about this cell, assuming all transport acrossthe membrane is passive, not active.a. Can the glucose simply diffuse across the cell membrane? Why or why not?b. If there are glucose transport proteins in the cell membrane, which way wouldglucose flow- into or out of the cell? Explain your answer.c. If the concentration of glucose was equal inside and outside of the cell, do you thinkthere would be a net flow of glucose across the cell membrane in one direction orthe other? Explain your answer.arrow_forward
- Find the FALSE sentence. Select one: a. In osmosis, water diffuses across a selectively permeable membrane from the compartment with the lowest to the compartment with the highest solute concentration. b. Malignant tumors can give rise to metastases. c. Passive transport across the membrane requires ATP. d. The endoplasmic reticulum and the Golgi apparatus both collaborate to build the cell membrane.arrow_forwardWhich of these statements about carrier-mediated facilitated diffusion is true? a. It uses cellular ATP. b. It is used for cellular uptake of blood glucose. c. It is a form of active transport. d. None of these are true.arrow_forwardGlucose is transported across the cell membrane of intestinal cells. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm. Using this information, which transport mechanism is most probably functioning in the intestinal cells? A facilitated diffusion B simple diffusion C osmosis D concentration gradientarrow_forward
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