Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 4, Problem 6RQ
What is meant by a “high-energy bond,” and why might the production of molecules with such bonds be useful to living organisms?
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In a laboratory experiment, a researcher reports the use of an isotope 6C14 to trace the synthesis of a Fatty Acid. From the symbol that is given, we know this is an isotope of Carbon, 6C12. The 6C14 can be substituted for 6C12 in chemical reactions in a cell because it has: (It's not Radioactive Properties)
a) radioactive properties,
b) 14 protons,
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d) 8 neutrons
e) 6 electrons.
Chapter 4 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 4 - State the first and second laws of thermodynamics....Ch. 4 - Explain what is meant by free energy in a system....Ch. 4 - Many biochemical reactions proceed slowly unless...Ch. 4 - What happens in the formation of an...Ch. 4 - Explain three ways that enzymes may be regulated...Ch. 4 - What is meant by a high-energy bond, and why might...Ch. 4 - Although ATP supplies energy to an endergonic...Ch. 4 - What is an oxidation-reduction reaction and why...Ch. 4 - Give an example of a final electron acceptor found...Ch. 4 - Why must glucose be primed with a high energy...
Ch. 4 - What happens to the electrons removed during the...Ch. 4 - Why is acetyl-CoA considered a strategic...Ch. 4 - Why are oxygen molecules important in oxidative...Ch. 4 - Explain how animals can generate ATP without...Ch. 4 - Why are animal fats sometimes called the king of...Ch. 4 - The breakdown of amino acids yields two products:...Ch. 4 - Explain the relationship between the amount of...Ch. 4 - Prob. 1FFT
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- . In a laboratory experiment, a researcher reports the use of an isotope 6C14 to trace the synthesis of a Fatty Acid. From the symbol that is given, we know this is an isotope of Carbon, 6C12. The 6C14 can be substituted for 6C12 in chemical reactions in a cell because it has: a) radioactive properties b) 14 protons, c) ionic properties, d) 8 neutrons, e) 6 electrons.arrow_forwardWhy is the biosynthesis of phospholipids important? What is the real-life application of biosynthesis of phospholipids?arrow_forwardThe interactions between biomolecules are often stabilized by weak interactions such as hydrogen bonds. How might this be an advantage to the organism?arrow_forward
- The relationship between the breakdown of macromolecules and the biosynthesis of macromolecules is most similar to the relationship between which of the following pairs of terms? The relationship between the breakdown of macromolecules and the biosynthesis of macromolecules is most similar to the relationship between which of the following pairs of terms? A.) exergonic and spontaneous B.) free energy and entropy C.) work and free energy D.) exergonic and endergonicarrow_forwardBears, and other animals that hibernate, eat large amounts of food during the summer to store energy for the winter. What macromolecule stores this energy? What is the advantage of storing energy in this molecule?arrow_forwardWhat energy requirements must be met in order for a reaction to be favorable?arrow_forward
- Radioactive isotopes (radioisotopes) of elements are commonly used in biological experiments as tracers to follow and detect molecules of interest. For example, photosynthetic intermediates produced during carbon dioxide conversion to sugars were detected by exposing algae to carbon dioxide containing a radioactive form of carbon. This radioactive carbon could be rapidly detected in molecules produced by the algae during carbon fixation and sugar production. Why can scientists substitute radioisotopes for isotopes commonly found in cells when conducting experiments? Select an Answer O A. Radioisotopes of an element differ only in the number of neutrons, so therefore they behave the same way chemically as the isotopes that occur in cells. B. Compounds containing radioisotopes are not acted upon by enzymes, so the radioisotopes will therefore not interfere with normal cellular processes. O C. Radioisotopes contain additional protons, so they are heavier than the nonradioactive isotopes…arrow_forwardWhy are hydrogen bonds so important in biological systems, considering that they are so weak?arrow_forwardDo you think that glycerol can be found in all fats? Why? What are Sphingolipids? What is the nature of the emulsion? How does it differ from those of a mixture of coconut oil and water and coconut oil and egg white? Is energy always associated with biochemical processes? How?arrow_forward
- Which of the following is true about enzymes. a) Enzymes are catalysts and they increase the rate of a reaction while they are not altered by the reaction. b) Enzymes are proteins that can be denatured by changes in pH or temperature. c) Enzymes are highly specific for the substrates they react with and catalyze only one or a limited set of possible reactions with those substrates. d) All of these are true about enzymes e) None of these are true about enzymesarrow_forwardWhat is the molecular logic that makes a pathway with a number of comparatively small energy changes more likely than a single reaction with a large energy change?arrow_forwardMany biochemical reactions are non-spontaneous but are required for living organisms. How can they still proceed? A) Lower the temperature of the system. B) Increase the temperature of the system. C) Couple a non-spontaneous reaction with any spontaneous reaction D) Couple two reactions that result in a spontaneous process overall. Please provide only typed answer solution no handwritten solution needed allowedarrow_forward
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