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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Students have asked these similar questions
The diffusion of water across a selectively permeable membrane is called?
A. Active transport
B. Facilitated diffusion
C. Osmosis
D. Cell membrane
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.
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 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_forwardA transport protein requires ATP to pump sodium ions across a membrane. This is a case of ______. a. passive transport b. active transport c. facilitated diffusion d. a and carrow_forwardThe passive movement of a solute through a membrane protein down its concentration gradient is an example of _________. a. osmosis b. active transport c. endocytosis d. diffusionarrow_forward
- Active transport must function continuously because_______. a. plasma membranes wear out b. cells must be in constant motion c. facilitated transport opposes active transport d. diffusion is constantly moving the solutes in the other directionarrow_forwardDistinguish between the following pairs of terms: a. diffusion; osmosis b. passive transport; active transport c. endocytosis; exocytosisarrow_forwardThe principal force driving movement in diffusion is______. a. temperature b. particle size c. concentration gradient d. membrane surface areaarrow_forward
- Osmosis 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_forwardProteins like albumin in the blood maintain water inside the blood vessels using A. Osmotic pressure B. Active diffusion C. Active transport D. Diffusionarrow_forward_______ 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-diffusionarrow_forward
- Choose the answer that best completes the following analogy: Diffusion is to _____ as endocytosis is to ______. A. filtration; phagocytosis B. osmosis; pinocytosis C. solutes; fluid D. gradient; chemical energyarrow_forwardFacilitated transport differs from diffusion in that facilitated diffusiona. involves the passive use of a carrier protein.b. involves the active use of a carrier protein.c. moves a molecule from a low to a high concentration.d. involves the use of ATP molecules.arrow_forwardThe 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.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