20 Questions
Which type of reaction proceeds with a net release of free energy and is spontaneous?
Exergonic reaction
In the context of bioenergetics, what is the study of how organisms manage their energy resources called?
Bioenergetics
How is ATP (adenosine triphosphate) composed?
Ribose, adenine, and three phosphate groups
What type of pathways release energy by breaking down complex molecules into simpler compounds?
Catabolic pathways
Which type of cellular work is powered by the hydrolysis of ATP?
Chemical work
What is metabolism?
The totality of an organism's chemical reactions
In the context of metabolism, what is an emergent property of life?
The totality of an organism's chemical reactions
What is a metabolic pathway?
A series of chemical reactions catalyzed by specific enzymes
What role do enzymes play in metabolic pathways?
Catalyzing specific steps in the pathway
How does the living cell utilize energy obtained through metabolism?
To perform work and carry out cellular functions
In the context of metabolism, what is the role of enzymes in metabolic pathways?
Enzymes catalyze each step of the metabolic pathway
What is the purpose of a metabolic pathway in an organism?
To break down complex molecules into simpler compounds
Which type of reaction is typically involved in a metabolic pathway?
Exothermic reaction
What is the primary function of ATP (adenosine triphosphate) in cellular metabolism?
To provide energy for anabolic pathways
How does an organism's metabolism relate to the laws of thermodynamics?
Metabolism adheres to the second law of thermodynamics by decreasing entropy
In the context of bioenergetics, which type of reaction absorbs free energy from its surroundings and is nonspontaneous?
Endergonic reaction
What is the role of ATP in cellular work?
It provides energy for cellular work
What is an emergent property of life in the context of metabolism?
Energy storage in ATP
What is the study of how organisms manage their energy resources called?
Bioenergetics
Which type of pathways release energy by breaking down complex molecules into simpler compounds?
Catabolic pathways
Test your understanding of the concepts covered in Chapter 8 'An Introduction to Metabolism' from the Biology Eighth Edition textbook. This quiz is based on the PowerPoint® lecture presentations by Neil Campbell and Jane Reece.
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