Biology 12

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UNIT 1 Metabolic Processes Like large emeralds encrusted with gold, thousands of chrysalides (cocoons) hang from milkweed plants ...

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CHAPTER 1 Reflecting Questions The Chemistry of Life 4 Within each living cell, chemical reactions take place millions of times ...

5 Chapter Contents 1.1 Atoms and Bonding 6 MiniLab: Using Chemicals Safely 8 1.2 Biological Macromolecules and Their Subunits 14 ...

1.1 Atoms and Bonding 6 MHR • Unit 1 Metabolic Processes Living things are unique among all forms of matter. Unlike non-living t ...

Chapter 1 The Chemistry of Life • MHR 7 neutrons in its nucleus. Atoms of the same element that contain different numbers of neu ...

MINI LAB Using Chemicals Safely Throughout this course, you will use solutions of chemicals such as hydrochloric acid and sodium ...

Chapter 1 The Chemistry of Life • MHR 9 Na+ CI− 11p 12n 11p 12n 17p 18n 17p 18n Na Cl sodium chloride NaCl 11p ...

10 MHR • Unit 1 Metabolic Processes Any atom has the same number of electrons and protons. Therefore, the atom has no charge and ...

Chapter 1 The Chemistry of Life • MHR 11 electronegative element, is found near the top right corner of the periodic table and h ...

12 MHR • Unit 1 Metabolic Processes A hydrogen bond is a force between molecules, not a chemical bond within a molecule. Hydroge ...

Chapter 1 The Chemistry of Life • MHR 13 SECTION REVIEW Is this atom chemically unreactive or chemically reactive? Explain your ...

1.2 Biological Macromolecules and Their Subunits 14 MHR • Unit 1 Metabolic Processes The atoms of four elements make up roughly ...

Chapter 1 The Chemistry of Life • MHR 15 substantial portions of many biological molecules consist of bonded chains of carbon an ...

16 MHR • Unit 1 Metabolic Processes These functional groups are hydrophilic. Except for the phosphate group, they are polar and ...

Chapter 1 The Chemistry of Life • MHR 17 Monomers and Macromolecules As you know, atoms can join together — bond — to form small ...

18 MHR • Unit 1 Metabolic Processes Figure 1.14BNotice that each amino acid has an amine at one end and a carboxyl group at the ...

Chapter 1 The Chemistry of Life • MHR 19 Biology Magazine TECHNOLOGY • SOCIETY • ENVIRONMENT The Thalidomide Dilemma In the late ...

MINI LAB Reviewing Macromolecules You have studied carbohydrates, lipids, proteins, and nucleic acids in previous science course ...