INTEGRATED PRINC.OF ZOOLOGY(LL)(FD)
17th Edition
ISBN: 9781260704310
Author: HICKMAN
Publisher: MCGRAW-HILL CUSTOM PUBLISHING
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Textbook Question
Chapter 4, Problem 3RQ
Many biochemical reactions proceed slowly unless the energy barrier to the reaction it lowered. How is this accomplished in living systems?
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Students have asked these similar questions
One enzyme-catalyzed reaction in a biochemical cycle has an equilibrium constant
that is 10 times the equilibrium constant of a second reaction. If the standard Gibbs
energy of the former reaction is -300 kJ/mol, what is the standard Gibbs energy of
the second reaction?
Ans: -294 kJ/mol
the ability to carry out biochemical reactions is?
A biochemical reaction will proceed in the direction as written if:
Group of answer choices
H > 0.
G = zero.
H
G > 0.
G
Chapter 4 Solutions
INTEGRATED PRINC.OF ZOOLOGY(LL)(FD)
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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- Why is the regulation of biochemical processes important?List three reasonsarrow_forwardWhy do you think most biochemical reactions inside our body need to speed up?arrow_forwardA group of young researchers was working on a biochemical pathway. At that time, they produced an enzyme having altered active site. Do you think, the activity of the new enzyme would differ from the original one? Why? On a different reaction they found, an enzyme works best at a temperature near about 30 degree Celsius. At 60 degree Celsius, the enzyme becomes inactivated. Briefly explain, why that enzyme is not working at elevated temperature?arrow_forward
- What is the activation energy for a reaction? Why is activation energy necessary?arrow_forwardList three effects of macromolecular crowding on the properties of enzymes and the reactions they catalyze.arrow_forwardIt is said that “You are what you eat.” The molecules that we consume undergo biochemical reactions to be converted into the biological molecules that help our cells to perform many important roles. Explain the importance of a structural biological molecule and how its structure relates to its function. Describe or illustrate how biochemical reactions produce the biological molecule. You may find it helpful to include a diagram of the biological molecule as part of your response.arrow_forward
- Metabolic pathways frequently contain reactions with positive standard free-energy values, yet the reactions still take place. How is this possible?arrow_forwardIn two to three sentences, what are the biochemical features and properties of enzymes?arrow_forwardA member of the staff at the care home inquires about paracetamol with the pharmacist. This employee requested to purchase 4 boxes of paracetamol (each having 16 pills), but the grocer refused. What is the reason behind this? Please provide a biochemical explanation. please make the answer longarrow_forward
- Many 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_forwardDescribe the effect of catalysis on activation energy.arrow_forwardAnother of the six enzyme classes is which of the following? enzymes catalyze. These classes include the transferases, isomerases, and ligases. All enzymes can be categorized in one of six major classes based on the reactions the proteases kinases hydrolases phosphatases endonucleases An important factor that influences the rate of a biochemical reaction is the temperature. Raising the temperature of a biochemical reaction has which effect upon the kinetics of the reaction? a) b) c) d) e) increases the free energy of the reactants increases the free energy of the transition state decreases the free energy of the reactants decreases the free energy of the transition state decreases the free energy of the productsarrow_forward
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