Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 7, Problem 4TYU
Test Your Understanding
4. Diffusion is an (a) endergonic process because free energy increases (b) endergonic process because free energy decreases (c) exergonic process because entropy increases (d) exergonic process because entropy decreases (e) more than one of the preceding options are true
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Diffusion is an (a) endergonic process because free energy increases (b) endergonic process because free energy decreases (c) exergonic process because entropy increases (d) exergonic process because entropy decreases (e) more than one of the preceding options are true
Diffusion
Using your understanding and calculations of changes in Gibbs free energy, in what direction would be the most energetically favorable movement of chloride (Cl-) be in the situation below.
Chapter 7 Solutions
Biology (MindTap Course List)
Ch. 7.1 - Define energy, emphasizing how it is related to...Ch. 7.1 - Use examples to contrast potential energy and...Ch. 7.1 - Prob. 1CCh. 7.2 - Prob. 3LOCh. 7.2 - Prob. 1CCh. 7.2 - Life is sometimes described as a constant struggle...Ch. 7.3 - Prob. 4LOCh. 7.3 - Prob. 5LOCh. 7.3 - Prob. 6LOCh. 7.3 - Prob. 1C
Ch. 7.3 - Prob. 2CCh. 7.4 - Explain how the chemical structure of ATP allows...Ch. 7.4 - Prob. 1CCh. 7.4 - Prob. 2CCh. 7.5 - Relate the transfer of electrons (or hydrogen...Ch. 7.5 - PREDICT Which has the most energy, the oxidized...Ch. 7.6 - Explain how an enzyme lowers the required energy...Ch. 7.6 - Describe specific ways enzymes are regulated.Ch. 7.6 - Prob. 1CCh. 7.6 - How does the function of the active site of an...Ch. 7.6 - How are temperature and pH optima of an enzyme...Ch. 7.6 - Prob. 4CCh. 7 - Which of the following can do work in a cell? (a)...Ch. 7 - Prob. 2TYUCh. 7 - Prob. 3TYUCh. 7 - Test Your Understanding 4. Diffusion is an (a)...Ch. 7 - Prob. 5TYUCh. 7 - Prob. 6TYUCh. 7 - Prob. 7TYUCh. 7 - Test Your Understanding 8. Induced fit means that...Ch. 7 - Prob. 9TYUCh. 7 - Prob. 10TYUCh. 7 - PREDICT In the following reaction series, which...Ch. 7 - Test Your Understanding 12. EVOLUTION link All...Ch. 7 - EVOLUTION LINK Some have argued that evolution is...Ch. 7 - Prob. 14TYUCh. 7 - Prob. 15TYUCh. 7 - Prob. 16TYU
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- Figure 6.8 Look at each of the processes shown, and decide if it is endergonic or exergonic. In each case, does enthalpy increase or decrease, and does entropy increase or decrease?arrow_forwardIn each of the three systems, determine the state of entropy (low or high) when comparing the first and second: i. the instant that a perfume bottle is sprayed compared with 30 seconds later, ii. an old 1950s car compared with a brand new car, and iii. a living cell compared with a dead cell. a. i. low, ii. high, iii. low b. i. low, ii. high, iii. high c. i. high, ii. low, iii. high d. i. high, ii. low, iii. lowarrow_forwardb pdf.01# 9 s -> 1 BIO( علوم حياتية عامة لطلبة الكليا Which of the following processes includes all the others? O a. Facilitated diffusion O b. Passive transport Oc Osmosis O d. Diffusion Clear my choice 2 ) 1 1 BIO( علوم حياتية عامة لطلبة الكلarrow_forward
- Question 4 What process results in an increase in entropy? O Primary active transport O Secondary active transport O Pumping O Passive transport F2 F3 F4 F5 F6 F7 F8 F9 F10 $ & 4 7 8. W Y U COarrow_forward8arrow_forwardWhat type of energy helps drive the passive processes of diffusion, osmosis, and facilitated diffusion? (Pick ALL correct statements involved with this.) In other words what are all the TRUE statements regarding these processes? Select one or more: a. random motion which increases when molecules have low molecular weight b. random motion which decreases when temperature decreases c. random motion which increases when temperature increases d. random motion which increases when molecules concentration increases e. ATP energy f. random motion which increases when molecules have large molecular weight g. random motion which increases when molecules concentration decreasesarrow_forward
- What type of energy helps drive the passive processes of diffusion, osmosis, and facilitated diffusion? (Pick ALL correct statements involved with this.) In other words what are all the TRUE statements regarding these processes? Select one or more: a.random motion which increases when temperature increases b.ATP energy c.random motion which increases when molecules have large molecular weight d.random motion which increases when molecules concentration decreases e.random motion which increases when molecules concentration increases f.random motion which decreases when temperature decreases g.random motion which increases when molecules have low molecular weightarrow_forwardIn thermodynamics, what is meant by an isolated system, a closed system, and an open system?arrow_forwardA mitochondrion 1 μm long can travel the 1 meterlength of the axon from the spinal cord to the big toe in aday. The Olympic men’s freestyle swimming record for 200meters is 1.75 minutes. In terms of body lengths per day,who is moving faster: the mitochondrion or the Olympicrecord holder? (Assume that the swimmer is 2 meters tall.)arrow_forward
- The second law of thermodynamics, in a very general sense, states that entropy (S) is always increasing. ASuniverse AS system + AS surroundings > 0 When phospholipids are dispersed in an aqueous solution, they will often form more ordered structures in the form of micelles, liposomes, or lipid bilayers. This behavior seemingly contradicts the second law of thermodynamics. Why is this behavior in agreement with the second law of thermodynamics? Liposome Micelle Bilayer sheetarrow_forwardQualitative thinking: For diffusion, we need to keep straight the difference between diffusion rate and diffusive flux. a. How do diffusive flux and diffusion rate differ? How do their units differ? b. Give an equation that relates the two. c. Based on Fick's equation for diffusive flux, what are some conditions that would increase flux and rate?arrow_forwardUnderstand Diffusion One gram of sodium chloride will take longer to dissolve in a solution of 2 M glucose than in a solution of pure water. What is the most reasonable explanation for this observation? Multiple Choice O O O sodium chloride will form stronger ionic contacts in 2 M glucose than in water, slowing its rate of dissolution and diffusion sodium chloride is more hydrophobic in a glucose solution than it is in water, reducing its solubility and diffusion sodium chloride will encounter a greater frequency of collisions in a 2 M glucose solution than in water, slowing its diffusion glucose will form a hydration shell around sodium chloride, slowing its interactions with water and therefore reducing its solubilityarrow_forward
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