BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
2020th Edition
ISBN: 9780135686553
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 4MC
Diffusions
a. is always facilitated.
b. occurs by active transport.
c. is increased when temperature increases.
d. requires aquaporin proteins.
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Students have asked these similar questions
_______ 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-diffusion
The rate of diffusion increases if thea. concentration gradient decreases.b. temperature of a solution decreases.c. viscosity of a solution decreases.d. All of these are correct.
The diffusion of water across a selectively permeable membrane is called?
A. Active transport
B. Facilitated diffusion
C. Osmosis
D. Cell membrane
Chapter 5 Solutions
BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
Ch. 5 - Animal cells are surrounded by ______ fluid. This...Ch. 5 - Which of the following cannot enter a cell by...Ch. 5 -
3. Glycoproteins are important for
a. binding...Ch. 5 - Diffusions a. is always facilitated. b. occurs by...Ch. 5 - Which of the following is not true of endocytosis?...Ch. 5 -
1. Membranes consist of a bilayer of ________....Ch. 5 - A membrane that is permeable to some substances...Ch. 5 - Facilitated diffusion involves either _____...Ch. 5 - Prob. 4FTBCh. 5 -
5. After each molecule, place the two-word term...
Ch. 5 - Prob. 6FTBCh. 5 - Describe and diagram the structure of a plasma...Ch. 5 - Prob. 2RQCh. 5 - What are the five categories of proteins commonly...Ch. 5 - Prob. 4RQCh. 5 -
5. Define hypotonic, hypertonic, and isotonic....Ch. 5 -
6. Describe the following types of transport...Ch. 5 - Name the protein that allows facilitated diffusion...Ch. 5 - Imagine a container of glucose solution, divided...Ch. 5 - Prob. 9RQCh. 5 -
1. Different cells have different plasma...Ch. 5 - Prob. 2AC
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- The principal force driving movement in diffusion is______. a. temperature b. particle size c. concentration gradient d. membrane surface areaarrow_forwardActive 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_forwardWhich 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_forward
- Differentiate between the following:(a) Diffusion and Osmosis(b) Transpiration and Evaporationarrow_forwardWhether in a gas, a liquid, or a semisolid, diffusion always occurs a). at the same rate. b). from high to low solute concentration. c). faster at lower temperaturesd). from low to high solute concentration.arrow_forwardWhich of the following distinguishes osmosis from simple diffusion? a) a concentration gradient b) a solute c) a selectively permeable membrane d) water moleculesarrow_forward
- a. What concept pertains to the movement of particles across the cell membrane? A. Diffusion B. Active transport C. Facilitated diffusion b. Which respiration which happened between the blood and body tissue? A. Internal respiration B. External Respiration C. Both a and barrow_forwardWhich of the following is incorrect about membrane transport systems? a. Glucose transport in red blood cells is a uniport system b. The Na+/K+ ATPase is an antiport system c. The H+/K+ ATPase is an active transport system d. The chloride-bicarbonate exchanger in erythrocytes is a uniport systemarrow_forwardWhich 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_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_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_forwardWhen a semipermeable sac filled with a solution containing 10% glucose is immersed in water, the fluid volume in the sac increases. What would happen if the sac solution was replaced with a 20% glucose solution? Group of answer choices A) sac would gain more fluid B) sac would gain the same amount of fluid C) no effect D) sac would lose fluidarrow_forward
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