Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 5, Problem 9TY
Summary Introduction
Introduction: There are various transport mechanisms for the movement of the solute molecules, some of which require the expenditure of energy while others do not. The movement of solute molecules in and out of the membrane is made possible by various transport processes. The bulk movement is possible by the combination of one or more ways of transport processes.
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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.
Explain the process and give an example of each form of cellular transport.
a. Passive Diffusion
b. Active Transport
c. Facilitated Diffusion
Chapter 5 Solutions
Biology
Ch. 5.1 - Core Skill: Modeling The goal of this modeling...Ch. 5.2 - Prob. 1CSCh. 5.3 - Prob. 1CCCh. 5.3 - Prob. 2CCCh. 5.4 - Prob. 1CSCh. 5.4 - Prob. 2CSCh. 5.4 - Lets suppose the inside of a cell has a solute...Ch. 5.5 - What is the purpose of gating?Ch. 5.5 - Prob. 1EQCh. 5.5 - Prob. 2EQ
Ch. 5.5 - Prob. 3EQCh. 5.6 - What is the function of the protein coat?Ch. 5 - Prob. 1TYCh. 5 - Which of the following events can never be...Ch. 5 - Lets suppose an insect, which doesnt maintain a...Ch. 5 - Prob. 4TYCh. 5 - Prob. 5TYCh. 5 - Prob. 6TYCh. 5 - Prob. 7TYCh. 5 - Prob. 8TYCh. 5 - Prob. 9TYCh. 5 - Large particles or large volumes of fluid can be...Ch. 5 - With your textbook closed, draw and describe the...Ch. 5 - Prob. 2CQCh. 5 - Prob. 3CQCh. 5 - Prob. 1COQCh. 5 - With regard to bringing solutes into the cell...
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- 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_forwardThe passive, non-mediated movement of particles into or out of a cell following the particle’s concentration gradient is called A. osmosis B. vesicular transport C. filtration D. diffusion E. facilitated diffusion F. active transportarrow_forwardCells transport sodium ions out of the cell against the sodium concentration gradient. This is an example of: a. facilitated diffusion b. simple diffusion c. diffusion via channel proteins d. endocytosis e. active transportarrow_forward
- The sodium-potassium pump helps to maintain electrolyte gradients through use of ATP. Which of the following best describes this type of transport? a. osmosis b. passive transport c. diffusion d. active transportarrow_forwardThe main force driving movement in diffusion across membranes is due to A. concentration gradients B. Size of the molecules C. Membrane surface area D. Temperature Questionarrow_forwardGlucose is often present in very low concentrations in environments populated by microorganisms. To import the maximum amount of available glucose, cells use a. Receptor-mediated endocytosis b. Simple diffusion c. Osmosis d. Facilitated diffusionarrow_forward
- What variable(s) influence(s) whether a nonpolar molecule can move across a membrane by passive diffusion? a. The structure of the phospholipids bilayer b. The difference in concentration of the molecule across the membrane c. The presence of transport proteins in the membrane d. All of the choices are correct.arrow_forwardWhich of these processes are membrane-crossing mechanisms that require no energy input? Select all that apply. A. Osmosis B. Facilitated diffusion C. Sodium-potassium pumparrow_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_forward
- How does each of the following molecule pass through the plasma membrane in the described scenarios? A. Both simple diffusion and facilitated diffusion B. facilitated diffusion C. simple diffusion D. active transport 1. Molecular oxygen (O2) and carbon dioxide (CO2) traveling downtheir concentration gradient. 2. inorganic ions traveling down their concentration gradient 3. glucose traveling against its concentration gradient 4. water molecules (H2O) traveling down their concentration gradientarrow_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_forwardFrom the list below choose all which apply to the process of diffusion. A. Requires energy B. Passive process C. Transports with concentration gradient D. Powered by random motion E. Transports against concentration gradient.arrow_forward
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