What is not an example of a reactive oxygen species (ROS)? 1.superoxide 2.hydroxyl radical 3.hydrogen peroxide 4.glutathione

Introduction: Reactive oxygen species are also referred to as free oxygen radicals. It is a highly…

Answered: What is not an example of a reactive…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter5: Ground Rules Of Metabolism

Section: Chapter Questions

Problem 9SA

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Which of the following comparisons or contrasts between endergonic and exergonic reactions is false? Endergonic reactions have a positive ?G and exergonic reactions have a negative ?G Endergonic reactions consume energy and exergonic reactions release energy Both endergonic and exergonic reactions require a small amount of energy to overcome an activation barrier Endergonic reactions take place slowly and exergonic reactions take place quickly.
A monosaccharide is formed from a polysaccharide in what kind of reaction? oxidation-reduction reaction anabolic reaction catabolic reaction biosynthetic reaction
______ are always changed by participating in a reaction. a. Enzymes b. Cofactors c. Reactants d. Coenzymes
Which of the following statements is not true? Metabolic pathways _____. a. occur in a stepwise series of chemical reactions b. are speeded up by enzymes c. may break down or assemble molecules d. always produce energy (such as ATP)
Enzymes have all the following characteristics except: a. they act as biological catalysts b. they are proteins c. they carry out random chemical reactions d. they convert substrates into products e. they can cause genetic disease
The capacity to do work best defines: a metabolic pathway. entropy. kinetic or potential energy. a chemical equilibrium. thermodynamics.
Energy is stored long-term in the bonds of and used short-term to perform work from a(n) ___________ molecule. ATP : glucose an anabolic molecule : catabolic molecule glucose : ATP a catabolic molecule : anabolic molecule
________ are always changed by participating in a reaction. a. Enzymes c. Reactants b. Cofactors d. Coenzymes
How Do Vitamin-Derived Coenzymes Aid Metabolism? What chemical functionality is provided to enzyme reactions by pyridoxal phosphate (we Chapter 13)? By coenzyme A (see Chapter I9)? By vitamin B12 (see Chapter 23)? By thiamine pyrophosphate (see Chapter 19)?
Which statement correctly describes carbon fixation? the conversion of CO2 into an organic compound the use of RuBisCO to form 3-PGA the production of carbohydrate molecules from G3P the formation of RuBP from G3P molecules the use of ATP and NADPH to reduce CO2
In the following graph: A represents the product. B represents the energy of activation when enzymes are present. C is the free energy difference between A and D. C is the energy of activation without enzymes. E is the difference in free energy between the reactant and the products.
Which of the following reaction pathways is not part of the second stage of aerobic respiration? a. electron transfer phosphorylation b. acetyl-CoA formation c. Krebs cycle d. glycolysis e. a and d

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	1.	superoxide
	2.	hydroxyl radical
	3.	hydrogen peroxide
	4.	glutathione

What is not an example of a reactive oxygen species (ROS)? 1. superoxide 2. hydroxyl radical 3. hydrogen peroxide 4. glutathione