LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 2, Problem 3MC
Facilitated diffusion differs from active transport in that facilitated diffusion
| a. | expends no ATP. |
| b. | moves molecules from an area of higher concentration to one of lower concentration. |
| c. | does not require a carrier protein for transport. |
| d. | moves molecules in vesicles across a semipermeable membrane. |
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Students have asked these similar questions
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.
Facilitated 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.
Active transport is different from passive transport because
a.
no additional energy is required.
b.
molecules move from low concentration to high concentration.
c.
ions are involved.
d.
proteins are involved.
e.
water is moved across the membrane.
Chapter 2 Solutions
LooseLeaf for Human Anatomy
Ch. 2 - Describe an advantage of using TEM rather than LM...Ch. 2 - Prob. 2WYLCh. 2 - Prob. 3WYLCh. 2 - Prob. 4WYLCh. 2 - In general, what materials may cross a selectively...Ch. 2 - What is diffusion?Ch. 2 - Describe the process of osmosisCh. 2 - Discuss the similarities between facilitated...Ch. 2 - Describe the characteristics of the cytosol.Ch. 2 - Describe the functions of lysosomes, mitochondria,...
Ch. 2 - Contrast the fates of proteins synthesized on free...Ch. 2 - What is the function of cilia?Ch. 2 - What is the function of the nuclear envelope?Ch. 2 - What is the difference between chromatin and...Ch. 2 - Observation shows that most cells are suspended in...Ch. 2 - List the stages of mitosis in order of occurrence....Ch. 2 - Prob. 17WYLCh. 2 - Prob. 18WYLCh. 2 - Match each numbered item with the most closely...Ch. 2 - Prob. 1MCCh. 2 - Prob. 2MCCh. 2 - Facilitated diffusion differs from active...Ch. 2 - Which plasma membrane structures serve in cell...Ch. 2 - _____ increase the outer surface area of the...Ch. 2 - Prob. 6MCCh. 2 - Interphase of the cell cycle consists of the...Ch. 2 - Prob. 8MCCh. 2 - Prob. 9MCCh. 2 - Prob. 10MCCh. 2 - Describe three main regions common to all cells,...Ch. 2 - Prob. 2CRCh. 2 - Prob. 3CRCh. 2 - Prob. 4CRCh. 2 - Prob. 5CRCh. 2 - Prob. 6CRCh. 2 - Identify the three parts of the cytoskeleton, and...Ch. 2 - What are the basic components of the nucleus, and...Ch. 2 - Prob. 9CRCh. 2 - Identify the phases of mitosis, and briefly...Ch. 2 - Prob. 1DCRCh. 2 - Prob. 2DCR
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- Which 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_forwardThe process of “active transport" through a membrane may be described by which of the following? A. the movement of ions and small molecules away from regions where they are in high concentration. B. the use of energy from ATP to move ions and small molecules into regions where they are in lower concentration. C. the plasma membrane engulfs the substance and moves it through the membrane. D. the use of energy from ATP to move ions and small molecules against their concentration gradient.arrow_forwardWhich of the following statements about active processes of membrane transport is true? a. cellular energy is required b. substances move against its concentration gradient c. all requires the aid of proteins during transport d. a and b e. a, b, and carrow_forward
- one reason active transport has a limited maximum transport rate at which it can progress is due to the fact that a. energy required is not available inside the cell b. carrier proteins are not on the surface of the cell membrane c. ion channels are limited in size d. the number of carrier proteins is limited and therefore they can become saturatedarrow_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_forwardHow 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_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_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_forwardDuring 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_forward
- The 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_forwardFor the following modes of transport for membranes, tell whether the flow is with or against chemical potenial. Meaning +deltaG or -deltag A. Passive Diffusion B.Faciliated Diffusion C.Active Transportarrow_forwardIndicate whether the following statements are true or false. If a statement is false, explain why it is false. a. All types of cells contain cell walls, but only some cell types possess plasma membranes. b. The distribution of specific lipids to the inner and outer leaflet is asymmetrical, or biased, in plasma membranes. C. Lateral diffusion is the movement of lipids from one layer of the membrane to the other. d. Fatty acids tails are used to embed integral, transmembrane proteins in the plasma membrane.arrow_forward
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