BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
12th Edition
ISBN: 9781264019090
Author: Raven
Publisher: MCG/CREATE
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Textbook Question
Chapter 5, Problem 4A
How are active transport and coupled transport related?
a. They both use ATP to move molecules.
b. Active transport establishes a concentration gradient, but coupled transport doesn’t.
c. Coupled transport uses the concentration gradient established by active transport.
d. Active transport moves one molecule, but coupled transport moves two.
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You find a membrane protein that moves molecules across a membrane. What type of transport could that protein be involved in?
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.
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.
Chapter 5 Solutions
BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
Ch. 5.1 - Prob. 1LOCh. 5.1 - Explain the fluid mosaic model of membrane...Ch. 5.2 - List the different components of phospholipids.Ch. 5.2 - Prob. 2LOCh. 5.2 - Prob. 3LOCh. 5.3 - Illustrate the functions of membrane proteins.Ch. 5.3 - Prob. 2LOCh. 5.3 - Prob. 3LOCh. 5.4 - Compare simple diffusion and facilitated...Ch. 5.4 - Prob. 2LO
Ch. 5.4 - Prob. 3LOCh. 5.5 - Prob. 1LOCh. 5.5 - Prob. 2LOCh. 5.5 - Prob. 3LOCh. 5.6 - Distinguish between endocytosis and exocytosis.Ch. 5.6 - Illustrate how endocytosis can be specific.Ch. 5 - According to the fluid mosaic model, membranes are...Ch. 5 - Prob. 2IQCh. 5 - The fluid mosaic model of the membrane describes...Ch. 5 - What chemical property characterizes the interior...Ch. 5 - The transmembrane domain of an integral membrane...Ch. 5 - The specific function of a membrane within a cell...Ch. 5 - The movement of water across a membrane is...Ch. 5 - Prob. 6UCh. 5 - Which of the following is NOT a mechanism for...Ch. 5 - A bacterial cell that can alter the composition of...Ch. 5 - What variable(s) influence(s) whether a nonpolar...Ch. 5 - Which of the following does NOT contribute to the...Ch. 5 - How are active transport and coupled transport...Ch. 5 - A cell can use the process of facilitated...Ch. 5 - figure 5.5 describes a classic experiment...Ch. 5 - Each compartment of the endomembrane system of a...Ch. 5 - The distribution of lipids in the ER membrane is...
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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 is a passive transport process? a. Receptor-mediated endocytosis b. Ion pump c. Pinocytosis d. Phagocytosis e. Osmosisarrow_forwardWhich is an example of passive transport? a) A membrane protein uses a hydrogen ion concentration gradient to transport sucrose against its concentration gradient and into a cell b) An ion channel permits sodium ions to diffuse through a cell membrane c) A pump uses ATP as an energy source to transport hydrogen ions out of a cell d) A cell takes in particles by pinocytosis e) The sodium potassium pump transports ions from one side of the membrane to the other, against a concentration gradientarrow_forwardWhich 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.arrow_forward
- Which is incorrect about the plasma membrane? a. It has a hydrophobic interior and hydrophilic region that faces water. b. Cholesterol affects the fluid nature of the membrane. c. Proteins embedded in the lipid bilayer do not move. d. It surrounds all living cellsarrow_forwardWhat is the function of tight junctions? a. To allow cells to move b. To keep cells from moving c. To seal neighboring cells together and prevent leakage of d. extracellular molecules† e. To keep cancer cells together, forming a tumorarrow_forwardDraw a diagram that compares and contrasts types of passive and active transport.arrow_forward
- 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_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_forwardPart 1: If a gated channel (not a pump) is specific for potassium ions and based on what you know about concentration gradients, when will the potassium ions move through the channel? a) Is gated channel transport using energy (ATP)? Part 2: Why does the sodium - potassium pump need to use energy (ATP)? a) Define active transport in your own words.arrow_forward
- Which is an example of diffusion of oxygen? a. Movement of oxygen from the lungs into the blood stream b. Flow of blood from the lungs through the blood vessels to the leg c. Wind blowing d. Ventilation e. Water currentsarrow_forwardWrite a hypothesis that predicts the relative rates of diffusion of albumin protein, glucose, iodine, and starch.arrow_forwardWhich statements are consistent with the fluid-mosaic model of membranes? (a) All membrane proteins are bound to the interior of the membrane. (b) Both proteins and lipids undergo transverse (flip-flop) diffusion from the inside to the outside of the membrane. (c) Some proteins and lipids undergo lateral diffusion along the inner or outer surface of the membrane. (d) Carbohydrates are covalently bonded to the outside of the membrane. (e) The term mosaic refers to the arrangement of the lipids alone.arrow_forward
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