Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 3, Problem 8LTB
Summary Introduction
Introduction:
The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is selectively permeable that means it allows only some of the molecules to enter and exit. Osmosis is the diffusion of molecules through a semi-membrane.
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Osmosis is _________________
movement of water down its 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 channel
The transportation of relatively small particles or liquids into the cell that are too big or unable to pass through a transport protein is best described as ________.
pinocytosis
phagocytosis
exocytosis
facilitated diffusion
diffusion
Active 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 channel
Chapter 3 Solutions
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Ch. 3 - Prob. 1LTBCh. 3 - Add labels to the figure that follows, which...Ch. 3 - Prob. 3LTBCh. 3 - Which of the following is not a function of water?...Ch. 3 - Prob. 5LTBCh. 3 - Prob. 6LTBCh. 3 - Prob. 7LTBCh. 3 - Prob. 8LTBCh. 3 - Which of the following forms of membrane transport...Ch. 3 - Prob. 10LTB
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- Simple diffusion 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_forwardIf a cell has more concentration of solutes inside than outside, it is in a(n) __________ environment. Hypertonic Mesotonic Hypotonic Isotonicarrow_forwardWhat is movement of cell against concentration gradient is called: osmosis active transport diffusion passive transportarrow_forward
- Sodium-potassium pumps move ___________________ ions _______________ of the cell and _____________________ ions ___________________ the cell. This causes the inside of the cell to have what type of charge? __________________________.arrow_forwardIf a cell is placed in a solution that has the same concentration of solutes as in its cytoplasm, the solution is referred to as: O Isotonic Hypertonic O Hypotonic Osmoticarrow_forwardWhich of the following active transport mechanisms moves solid particles towards the interior of the cell? Group of answer choices phagocytosis pinocytosis vesicular transport exocytosisarrow_forward
- 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 diagram below represents the process of diffusion through the cell membrane.Identify the condition of the membrane as permeable, semipermeable ornonpermeable. Explain how the condition of the cell membrane affects the process ofdiffusion. Remember to include the concentration gradient.arrow_forwardFill in the blanks with the following words: diffusion, endocytosis, solute pump, osmosis. The type of active transport in which sodium and potassium are pumped across a membrane using ATP is called a This passive process is where water moves in and out of a cell The type of passive process in which molecules move across the plasma membrane down a concentration gradient is called This process is where the cell engulfs extracellular substances by phagocytosis or pinocytosisarrow_forward
- Label the diagram below as either passive transport (diffusion or facilitated diffusion) or active transport. Provide examples of solutes that are transported in these various ways across the cell membranearrow_forwardDiffusion requires a membrane to occur. True Falsearrow_forwardA cell's energy is used in the process of: osmosis active transport diffusion passive transportarrow_forward
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