EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
5th Edition
ISBN: 9781305583856
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 4, Problem 13SQ
A 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 c
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Proteins like albumin in the blood maintain water inside the blood vessels using
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The diffusion of water across a selectively permeable membrane is called?
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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.
Chapter 4 Solutions
EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
Ch. 4 - Figure 4.5 Energy inputs and outputs in chemical...Ch. 4 - Figure 4.10 Enzymes, temperature, and pH. Each...Ch. 4 - Prob. 3FIOCh. 4 - Prob. 4FIOCh. 4 - The genus Ferroplasma consists of a few species of...Ch. 4 - Prob. 2DIDCh. 4 - Prob. 3DIDCh. 4 - Prob. 1SQCh. 4 - Prob. 2SQCh. 4 - Prob. 3SQ
Ch. 4 - Prob. 4SQCh. 4 - Prob. 5SQCh. 4 - Prob. 6SQCh. 4 - Prob. 7SQCh. 4 - Prob. 8SQCh. 4 - Ions or molecules tend to diffuse from a region...Ch. 4 - Prob. 10SQCh. 4 - Prob. 11SQCh. 4 - Prob. 12SQCh. 4 - A transport protein requires ATP to pump sodium...Ch. 4 - Prob. 14SQCh. 4 - Prob. 15SQCh. 4 - Prob. 1CTCh. 4 - Water molecules tend to diffuse in response to...Ch. 4 - Dixie Bee wanted to make JELL-O shots for her next...Ch. 4 - The enzyme trypsin is sold as a dietary enzyme...Ch. 4 - Prob. 5CT
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- Active transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c. water d. diffusionarrow_forwardA transport protein requires ATP to pump sodium ions across a membrane. This is a case of_______ . a. passive transport c. osmosis b. active transport d. facilitated diffusionarrow_forwardWhen cellular transport through the plasma membrane must be provided with energy in form of ATP to power the transport process, what is this called? A. Selective permeability B. Passive transport C. Active transport D. Diffusionarrow_forward
- Facilitated diffusion differs from active transport in thatfacilitated diffusiona. expends no ATP.b. moves molecules from an area of higher concentration toone of lower concentration.c. does not require a carrier protein for transport.d. moves molecules in vesicles across a semipermeablemembrane.arrow_forwardWhich of the following processes requires protein carriers to move materials up their concentration gradient? ____ a. active transport ____ b. osmosis ____ c. endocytosis ____ d. facilitated diffusionarrow_forwardOne substance flows down its concentration gradient, and the energy is harnessed to move another substance up its gradient in the same direction. This best describes a. primary active transport. b. endocytosis. c. symport secondary active transport. d. antiport secondary active transport.arrow_forward
- Which of these junctions allows solutes and water to pass directly from one cell to another, without interacting with the ECM? a. Adherens junctions b. Gap junctions c. Con junctions d. Tight junctionsarrow_forwardMatch the definitions with the words: Direct Diffusion, Facilitated Transport, Active Transport a) passive movement of molecules through a protein channel, down the solute's concentration gradient b) using a vesicle to move many molecules into a cell c) movement of molecules through a protein transporter, requires ATP, against the solute's concentration gradientarrow_forwardMolecules that are too large to be moved across a cell membrane can enter the cell by? A. Diffusion B. Passive transport C. Osmosis D. Active transport B.passivearrow_forward
- 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_forwardYou find a membrane protein that moves molecules across a membrane. What type of transport could that protein be involved in?arrow_forwardWhich process does not require cellular energy (and thus, it is a passive process)? a. primary active transport. b. carrier-mediated facilitated diffusion. c. endocytosis. d. exocytosis.arrow_forward
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