Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Textbook Question
Chapter 5, Problem 5FTB
After each molecule, place the two-word term that most specifically describes the process by which it moves through a plasma membrane. Carbon dioxide: ____; ethyl alcohol: ____; a sodium ion: ____;glucose: ____.
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Identify the nonpolar, inorganic molecule which can pass freely through the plasma membrane.
CH3CH2OH (ethanol)
CO2 (carbon dioxide)
C12H22O11 (sucrose)
C6H12O6 (glucose)
C6H6 (benzene)
Identify the non-polar organic molecule which can pass freely through the plasma membrane.
CH3CH2OH (ethanol)
N2 (nitrogen gas)
CO2 (carbon dioxide)
C6H6 (benzene)
C6H12O6 (glucose)
Identify the polar, inorganic molecule which can pass freely through the plasma membrane.
CH3CH2OH (ethanol)
C6H12O6 (glucose)
H2O (water)
C6H6 (benzene)
CO2 (carbon dioxide)
Chapter 5 Solutions
Biology: Life on Earth
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. 4RQ
Ch. 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 - Predict and sketch the configuration of...Ch. 5 - The fluid portion of blood, in which red blood...Ch. 5 - Some cells in the nervous system wrap themselves...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements is NOT TRUE about membrane transport? to facilitate movement of ions and molecules across membranes. to move food, water, and wastes around, into, and out of a cell. to get rid of duplicated organelles in a cell. to transport proteins, lipids, and other molecules synthesized by the cell.arrow_forwardXena eventually catches Callisto (remember, she is 25 years old). Salmoneus, who is 60 years old, agrees to deliver Callisto to face charges for war crimes. On the way, their cart crashes down a ravine. Salmoneus dies. When a cell dies its plasma membrane becomes “leaky”; i.e., it becomes permeable to ions that were unable to freely cross the membrane during life. Thus, after death, calcium ions leak across the sarcolemma of muscle fibers. This calcium leak causes rigor mortis, a temporary stiffness of the muscles after death. Apply your understanding of the mechanism of skeletal muscle contraction (specifically regarding events within muscle fibre) and explain the molecular basis of the phenomenon known as rigor mortis.arrow_forwardThe major function of the plasma membrane is to: define the structure of the organelles. provide genetic information for the cell. synthesize chemicals for metabolism. regulate the passage of molecules and ions.arrow_forward
- Facilitated diffusion is different from simple diffusion because O molecules are small. Owater is transported. energy is used. there is no concentration gradient. proteins act as helpers.arrow_forwardDifferentiate the following: simple diffusion; facilitated diffusion Facilitated diffusion, active transport Endocytosis; exocytosis(in terms of purpose, substance transported, direction of motion of the vesicle) Bulk flow; cytoplasmic streamingarrow_forwardWhich of the following is true regarding the permeability of the cytoplasmic membrane? Nothing can diffuse across the membrane All molecules can freely diffuse across it Only non-polar molecules can diffuse across the membrane It is generally impermeable to ions, polar moleculesarrow_forward
- If distilled water (no ions or salt) is added to red blood cells in the laboratory, the red blood cells will ___________, because distilled water is a hypotonic solution. This is due to ________________. Group of answer choices: shrink; diffusion have no change; being at equilibrium burst; osmosis burst; diffusion shrink; osmosisarrow_forwardWould substances be able to pass through the plasma membrane if the phospholipid tails of the plasma membrane were both saturated fatty acids? No, saturated fatty acids would cause the plasma membrane to loss the fluidity it has by having some unsaturated fatty acids present. No, saturated fatty acids would cause the plasma membrane to be more fluid. Yes, saturated fatty acids would cause the plasma membrane to be a solid versus liquid. Answer not listed.arrow_forwardIn diffusion, substances move from a _____ concentration to a _____ concentration. Select one: higher, lower lower, lower higher, higher lower, higherarrow_forward
- The cytoplasm of a certain cell is composed of a solution that is 98% water, 2% solutes. Consider the solution shown in the beaker in this picture: FOOE OOS Foor solution. [Select] Cytoplasm is 98% water, 2% solutes. The solution in the beaker would be considered when compared to [Select] The plasma membrane is impermeable to solutes. Beaker solution is 98% water, 2% solutes the cell. We would expect that the cell would [Select] if it was placed in the would account for whatever changes might occur to the volume of the cytoplasm of the cell when it is placed in the solution.arrow_forwardWhich of the following statements about diffusion is correct? It is an active process in which molecules move from a region of lower concentration to one of higher concentration. It is very rapid over long distances. It requires an expenditure of energy by the cell. It is a passive process in which molecules move from a region of lower concentration to a region of higher concentration. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.arrow_forwardPlease write a paragraph examining each molecules (starch, iodine, and glucose) and why it was not able to cross the membrane. (PLEASE USE THE TERM: Diffusion, osmosis, pores, concentration gradient) *A paragraph does not need to be specific.arrow_forward
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