EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Chapter 6, Problem 12TYU
SYNTHESIZE YOUR KNOWLEDGE
Explain what is happening in this photo in terms of kinetic energy and potential energy. Include the energy conversions that occur when the penguins eat fish and climb back up on the glacier. Describe the role of ATP and enzymes in the underlying molecular processes, including what happens to the free energy of some of the molecules involved.
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Relating to bioenergetics:
a. The equilibrium constant for a particular reaction is 6.8 x 10-5 which makes this reaction exergonic. True or False?b. All processes that occur in the universe are spontaneous and have low enough activation energies that molecules can often overcome the energy barrier. True or False?c. ATP has a highly negative free energy change in part because the negative charges on the oxygens repel each other in ATP but less so in ADP. True or False?
explain how ATP functions like a rechargeable battery, include the transfer of kinetic energy to potential energy in your explanation. also include where the energy that “charges” ETP comes from.
Explain the importance of energy and entropy for living cells. State the role of enzymes in controlling metabolic biochemistry. Describe how catabolism converts many complex food molecules to a few kinds of catabolites. Explain how catabolism yields energy and how the energy is stored for use. Describe how the energy carriers ATP and NADH transfer energy between energy-yielding and energy-spending reactions. Describe how sugar is catabolized to pyruvate via glycolysis, along with production of ATP and NADH. Explain how pyruvate can be further TCA cycle (when oxygen is available). polized by fermentation or by the Explain how bacterial catabolic reactions are used in clinical tests to identify a pathogen. Define and explain the importance of nitrogen fixation
Chapter 6 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 6.1 - MAKE CONNECTIONS How does the second law of...Ch. 6.1 - Describe the forms of energy found in an apple as...Ch. 6.2 - Cellular respiration uses glucose and oxygen,...Ch. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.3 - How does ATP typically transfer energy from...Ch. 6.3 - Prob. 2CCCh. 6.3 - MAKE CONNECTIONS Does Figure 6.10a show passive or...Ch. 6.4 - Many spontaneous reactions occur very slowly. Why...Ch. 6.4 - Why do enzymes act only on very specific...
Ch. 6.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 6.5 - How do an activator and an inhibitor have...Ch. 6 - Choose the pair of terms that correctly completes...Ch. 6 - Prob. 2TYUCh. 6 - Which of the following metabolic processes can...Ch. 6 - If an enzyme in solution is saturated with...Ch. 6 - Some bacteria are metabolically active in hot...Ch. 6 - If an enzyme is added to a solution where its...Ch. 6 - DRAW IT Using a series of arrows, draw the...Ch. 6 - SCIENTIFIC INQUIRY DRAW IT A researcher has...Ch. 6 - SCIENCE, TECHNOLOGY, AND SOCIETY Organophosphates...Ch. 6 - FOCUS ON EVOLUTION A recent revival of the...Ch. 6 - FOCUS ON ENERGY AND MATTER Life requires energy....Ch. 6 - SYNTHESIZE YOUR KNOWLEDGE Explain what is...
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- BIOCHEMISTRY QUESTION The initial rate (VO) data as a function of substrate concentration [S] for an enzyme (Enzyme1) that obeys Michaelis-Menten kinetics are shown in the table below. The total enzyme concentration is 2.5 nM. [S](μm) 16.0 8.0 4.0 2.0 1.0 v (μMsec ¹) 48.5 32.7 19.8 11.1 5.88 (a) Calculate KM for the enzyme, using the estimated slope (slope = (y2-y1)/(x2-x1)) from a Lineweaver-Burk plot. Show your work and don't forget the units! (b) When the enzyme concentration is 2.5 nM, a Lineweaver-Burk plot of this data gives a line with a y- intercept of 0.0106 μ M-1 sec. Calculate kcat for the enzyme. (Show your work and don't forget to include units). (c) A second enzyme (Enzyme2) also obeys Michaelis-Menten kinetics. Its kcat and KM are 800 sec-1 and 5 µM, respectively. Which is the more efficient enzyme? Briefly explain d) Is Enzyme 1 diffusion limited? Explain.arrow_forwardFish Cell Physiology Discuss and compare the energy produced from cellular fuels such as saturated fatty acids unsaturated fatty acids, amino acids, and glucose. If you have to maximize the energy utilization of your fish what particular compound (saturated fatty acids unsaturated fatty acids, amino acids, and glucose) would you provide as the energy source, discuss the scientific principle of your answerarrow_forward● ● Explain the importance of energy and entropy for living cells. State the role of enzymes in controlling metabolic biochemistry. Describe how catabolism converts many complex food molecules to a few kinds of catabolites. Explain how catabolism yields energy and how the energy is stored for use. Describe how the energy carriers ATP and NADH transfer energy between energy-yielding and energy-spending reactions. Describe how sugar is catabolized to pyruvate via glycolysis, along with production of ATP and NADH. Explain how pyruvate can be further TCA cycle (when oxygen is available). polized by fermentation or by the Explain how bacterial catabolic reactions are used in clinical tests to identify a pathogen. Define and explain the importance of nitrogen fixationarrow_forward
- Concept background on biomolecules and transformation of energy within organisms on these following ingredients:- fresh flat mustard seed- sea salt- water- corn- ricearrow_forwardStearic acid is an 18-carbon fatty acid. If a single molecular of stearic acid is within the cytosol of the cells: Describe the process by which stearic acid would be metabolised, beginning the molecule in the cytosol of the cell, ending with the creation of ATP, and assuming the cell has sufficient oxygen for all reactions to take place Showing all working, calculate how many ATP molecules could be generated from a single molecule of stearic acid in the cytosol of the cellarrow_forwardich of the following answers are true about adenosine triphosphate (ATP)? Note, there may be MORE THAN ONE correct answer, please choose all that are correct. ATP supplies the energy for most cellular processes ATP can be broken down into ADP + Pi ATP breakdown can be coupled to a reaction that requires energy ATP breakdown is an endergonic (energy-requiring) reaction ATP is a very stable and low-energy moleculearrow_forward
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