Chapter 2: The Chemical Context of Life contains external links to:

  • The Chemistry of Amino Acids
  • Acids and Bases Tutorial
  • Clinical Correlates of pH Levels
  • B12/Folate Problem Set

This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.

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Knowing the structure and chemistry of the amino acids and other building blocks of biological molecules is fundamental to think or talk sensibly about proteins and enzymes, or the nucleic acids. This site covers a comprehensive introduction to amino acids. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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In this problem set, you will learn about the solvent properties of water, pH, pKa and buffering capacity. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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In this problem set, you will learn how metabolic acidosis or alkalosis can arise and how these conditions shift the bicarbonate equilibrium. The body's compensatory mechanisms and treatment options are also discussed. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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B12/Folate Problem Set

by Alison Loomis

In this problem set, you will learn a) which biological reactions require either B12 or folate (or both) b) the consequences of a deficiency in either vitamin c) the important step in which B12 and folate metabolism overlap This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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