Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 5, Problem 11SQ
Solutes tend to diffuse from a region where they are _______ concentrated to an adjacent region where they are _______ concentrated.
- a. more, less
- b. less, more
- c. movement is independent of concentration
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Solutes tend to diffuse from a region where they ar_____ concentrated to an adjacent region where they are_______ concentrated. a. more, less c. movement is independent b. less, more of concentration
The movement of water through a semipermeable membrane toward solutes is called diffusion.
A. True
B. False
When comparing the solute concentrations of two fluids, the fluid with the higher solute concentration will be which of the following?
A. Hypotonic
B. Hypertonic
C. Isotonic
Chapter 5 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SQCh. 5 - Prob. 4SQCh. 5 - Prob. 5SQCh. 5 - ______ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...
Ch. 5 - Prob. 8SQCh. 5 - A molecule that donates electrons becomes...Ch. 5 - All antioxidants ________. a. prevent other...Ch. 5 - Solutes tend to diffuse from a region where they...Ch. 5 - Prob. 12SQCh. 5 - A transport protein requires ATP to pump sodium...Ch. 5 - Immerse a human red blood cell in a hypotonic...Ch. 5 - Match each tern with its most suitable...Ch. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms or entropy.Ch. 5 - What is a redox reaction?Ch. 5 - The enzyme trypsin is sold as a dietary...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- I. Metabolism is the elimination of metabolic wastes including nitrogenous wastes produced from the breakdown of proteins. II. Diffusion is the movement of water from a region of higher osmolarity to a region of lower osmolarity across a selectively permeable membrane. A. If the two statements are both correct B. If the first statement is correct while the second one is not C. If the second statement is correct while the first one is not D. If the two statements are both incorrect I. The functional units of the kidney where urine is formed. II. Kidneys serve as specialized organs for osmoregulation and excretion A. If the two statements are both correct B. If the first statement is correct while the second one is not C. If the second statement is correct while the first one is not D. If the two statements are both incorrectarrow_forwardWhich of the following describes cotransport (secondary active transport)? Group of answer choices D. One substance moving down its gradient causes another substance to move against its gradient. The push and pull of electric charges Equilibrium of all solutes One substance moves from an area of high concentration to an area of low concentration.arrow_forwardWhich of the following describes how osmosis occurs across a cell membrane/ A. Solutes move from an area of high water concentration to an area of low water concentration. B. Water moves from an area of low solute concentration to an area of high solute concentration. C. Both water and solutes move across the cell membrane from an area of high concentration to an area of low concentration. D. Solutes move from an area of low solute concentration to an area of high solute concentration. E. Water moves from an area of high solute concentration to an area of low solute concentration.arrow_forward
- The pathway that can move highest rates of sodium ions is: A. Sodium channels B. Sodium pumps-ATPases C. Sodium exchangers D. Sodium diffusion in solutionarrow_forwardWhich of the statements about diffusion are true? Select all that apply. A. Solutes diffuse from a region of higher concentration to a region of lower concentration. B. Negatively charged solutes diffuse toward regions of positive charge. C. Positively charged solutes diffuse toward regions of positive charge. D. Solutes diffuse from regions of low concentration to regions of high concentration. E. Lower temperatures will slow rates of diffusion.arrow_forwardThe osmolarity of body fluids is maintained at ________. a. 100 mOsm b. 300 mOsm c. 1000 mOsm d. it is not constantly maintainedarrow_forward
- The concentration of ______ is higher in the intracellular fluid than in fluid surrounding the cell. A K+ B Ca+2 C Na+arrow_forwardWhich of the following best defines the force known as OsmoticPressure?A. The force that causes sodium to move into and out of cells.B. The force, produced by solutes, that causes water to moveacross/through a permeable membrane toward a compartmentpossessing a relatively higher solute concentration.C. The force responsible for causing blood gases to develop anequilibrium.D. The measurable force that water creates within a blood vessel;pushing out on the walls of the blood vessel and expanding thediameter of the blood vessel.arrow_forwardSolute contributes to the movement of water between cells and the surrounding medium by ________.a. osmotic pressureb. hydrostatic pressurec. Brownian movementd. random motionarrow_forward
- Which of the following will saturate as solute concentration increases? a. Transport of sucrose down its concentration gradient by the carrier protein GLUT2 b. Transport of chloride ions out of the endoplasmic reticulum and into the cytoplasm via a channel protein c. Engulfing of a pathogen by a white blood cell during an immune response d. All of the abovearrow_forwardFrom the list provided select the best choice to complete the sentence below. An overall property that describes the way solutes move through membranes relative to the bulk solution concentrations is A. Diffusivity B. Membrane permeabliltiy C. porosity D. Steric hindrancearrow_forwardIncreasing the concentration of solutes increases osmotic potential, hence water potential decreases. A. Agree, because presence of solutes increses osmotic pressure and thus osmotic potential. C. Agree, because they just represent the same values. D. Disagree, because it is the decrease in water pressure that decreases osmotic potential. B. Disagree, because presence of solutes increases osmotic pressure which decreases osmotic potential.arrow_forward
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