Chapter8

Chapter8 - CHAPTER 8 Overview Q. What is an analogy for the...

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CHAPTER 8 – Overview Q. What is an analogy for the living cell? (The living cell is a miniature chemical factory where thousands of reactions occur) Q. How does a cell perform work? (The cell extracts energy and applies energy to perform work) Q. How does bioluminescence occur? (Occurs when organisms convert energy to light) Q. What does metabolism do, and what is it subject to? (Transforms matter and energy, and subject to the laws of thermodynamics) Q. Define metabolism. (Totality of an organism’s chemical rxns, and is an emergent property of life that arises from interactions b/tween molecules within the cell) Q. Describe a metabolic pathway. (Map of a chemical rxn that begins w/ a specific molecule and ends with a product, each step is catalyzed by a specific enzyme) Q. What are 2 forms of metabolic pathways, give examples of each, and understand how they differ. (1- Catabolic pathway: degradative process that releases energy by breaking down complex molecules into simpler compounds, i.e. cellular respiration- breakdown of glucose in the presence of oxygen & 2- Anabolic pathway: biosynthetic process that consumes energy to build complex molecules from simpler ones, i.e. the synthesis of protein from A.A.s. SO, Catabolic-breaking down complex molecules to simple, and Anabolic-building complex molecules from simple) Q. What is bioenergetics? (The study of how organisms manage their energy resources) Q. What is energy, and in what forms does it exist? (Energy is the capacity to cause change, exists in various forms, some of which perform work)
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This note was uploaded on 11/07/2011 for the course BIO bsc2010 taught by Professor Trombley during the Spring '08 term at FSU.

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Chapter8 - CHAPTER 8 Overview Q. What is an analogy for the...

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