Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 5, Problem 11SQ
Summary Introduction
Introduction: A solution consists of solute and solvent. Solutes tend to diffuse from regions of higher to lower concentration. The rate of diffusion is affected by the concentration difference, temperature, size, charge, and pressure.
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When two chambers are separated by a membrane permeable to water but not solute, if water is free to move in either direction without limitation or pressure, then water will
move until the concentration of solute on both sides of the chamber is equal
move until there is no water on the dilute side
move until there is no water on the concentrated side
move until the concentration of water on both sides of the chamber is equal
Because of the phospholipid cell membrane, water cannot diffuse into or out of the cell.
True or false
The movement of water through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concnetration is called _________
osmosis
diffusion
solubility
gradient
Chapter 5 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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 - Which of the following statements is not correct?...Ch. 5 - A molecule that donates electrons becomes...Ch. 5 - All antioxidants ________. a. prevent other...
Ch. 5 - Prob. 11SQCh. 5 - Prob. 12SQCh. 5 - Prob. 13SQCh. 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 - Immerse a human red blood cell in a hypotonic...Ch. 5 - Prob. 15SQCh. 5 - Prob. 16SQCh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms or entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- Cotransport is ____________ movement of water down concentration gradient using a protein channel movement of materials against their concentration gradient movement of one substance against, and one substance down their concentration gradients movement of molecules from high concentration to low concentration using no protein channels movement of materials down their concentration gradient using a protein channelarrow_forwardThe concentration of ______ is higher in the intracellular fluid than in fluid surrounding the cell. A K+ B Ca+2 C Na+arrow_forward"The membrane potential arises from movements of charge that leave ion concentrations practically unaffected, causing only a very slight discrepancy in the number of positive and negative ions on the two sides of the membrane." is true or false.arrow_forward
- When a person becomes dehydrated the amount of water in extracellular fluids such as blood decreases, causing the solute concentration of these fluids to increase. State weather osmosis results in water entering or leaving cells.arrow_forwardIn osmosis, due to solute concentration differences, the solute will move from a higher concentration to a lower concentration. True or Falsearrow_forward______transport (general term)uses the energy of Browain motion associated with gradients to move materials from one place to another without the use of "cellular energy".A specific example of this type of transport is ‐-----------arrow_forward
- describe what it means when a solute moves against its concentation gradient.arrow_forwardWhich is the proper order of permeability the following solutes would show when it moves across a semi-permeable membrane? (from most permeable to least permeable) benzene, imidazole group of histidine, galactose, potassium ions galactose, potassium ions, imidazole group of histidine, benzene benzene, potassium ions, imidazole group of histidine, galactose potassium ions, galactose, benzene, imidazole group of histidinearrow_forwardThe two components of extracellular fluid, the interstitial fluid and the blood plasma, are completely continuous separated by the cell walls within the cells of the body separated by the capillary wallsarrow_forward
- The movement of a dissolved substance down its concentration gradient is calledarrow_forwardActive transport is ____________ movement of water down concentration gradient using a protein channel movement of materials against their concentration gradient movement of one substance against, and one substance down their concentration gradients movement of molecules from high concentration to low concentration using no protein channels movement of materials down their concentration gradient using a protein channelarrow_forwardThe ability of a hypertonic solution to "pull" in water from a hypotonic solution across a semipermeable membrane is called ________ pressure.arrow_forward
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