Chapter 21 Biochemistry. EXIT Copyright © by McDougal Littell. All rights reserved.2 Figure 21.2: The 20 -amino acids found in most proteins. Figure 21.2:

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Presentation transcript:

Chapter 21 Biochemistry

EXIT Copyright © by McDougal Littell. All rights reserved.2 Figure 21.2: The 20 -amino acids found in most proteins. Figure 21.2: The 20  -amino acids found in most proteins.

EXIT Copyright © by McDougal Littell. All rights reserved.3 Figure 21.4: Primary structure of a protein.

EXIT Copyright © by McDougal Littell. All rights reserved.4 Figure 21.4: Secondary structure of a protein.

EXIT Copyright © by McDougal Littell. All rights reserved.5 Figure 21.5: One type of secondary protein structure is called the - helix. Figure 21.5: One type of secondary protein structure is called the  - helix.

EXIT Copyright © by McDougal Littell. All rights reserved.6 Figure 21.6: Two protein chains bound together.

EXIT Copyright © by McDougal Littell. All rights reserved.7 Figure 21.7: Collagen.

EXIT Copyright © by McDougal Littell. All rights reserved.8 Figure 21.7: Silk fiber.

EXIT Copyright © by McDougal Littell. All rights reserved.9 Figure 21.8: The protein myoglobin.

EXIT Copyright © by McDougal Littell. All rights reserved.10 Figure 21.9: The permanent waving of hair.

EXIT Copyright © by McDougal Littell. All rights reserved.11 Figure 21.10: Schematic representation of the thermal denaturation of a protein.

EXIT Copyright © by McDougal Littell. All rights reserved.12 Figure 21.11: Lock-and-key model of the functioning of an enzyme.

EXIT Copyright © by McDougal Littell. All rights reserved.13 Figure 21.12: Formation of a ring structure for fructose.

EXIT Copyright © by McDougal Littell. All rights reserved.14 Figure 21.13: Sucrose formed from glucose and fructose.

EXIT Copyright © by McDougal Littell. All rights reserved.15 Figure 21.14: The making of starch.

EXIT Copyright © by McDougal Littell. All rights reserved.16 Figure 21.15: Deoxyribose.

EXIT Copyright © by McDougal Littell. All rights reserved.17 Figure 21.15: Ribose.

EXIT Copyright © by McDougal Littell. All rights reserved.18 Figure 21.16: Organic bases found in DNA and RNA.

EXIT Copyright © by McDougal Littell. All rights reserved.19 Figure 21.17: (a) Formation of Adenosine. (b) Reaction of phosphoric acid with adenosine.

EXIT Copyright © by McDougal Littell. All rights reserved.20 Figure 21.18: Portion of a typical nucleic acid chain.

EXIT Copyright © by McDougal Littell. All rights reserved.21 Figure 21.19: DNA double helix.

EXIT Copyright © by McDougal Littell. All rights reserved.22 Figure 21.19: Thymine-adenine pairs.

EXIT Copyright © by McDougal Littell. All rights reserved.23 Figure 21.19: Cystosine-guanine pairs.

EXIT Copyright © by McDougal Littell. All rights reserved.24 Figure 21.20: Cell division of a DNA double helix.

EXIT Copyright © by McDougal Littell. All rights reserved.25 Figure 21.21: Construction of the mRNA molecule.

EXIT Copyright © by McDougal Littell. All rights reserved.26 Figure 21.22: Two-dimensional slice of a micelle of fatty-acid anions.

EXIT Copyright © by McDougal Littell. All rights reserved.27 Figure 21.23: Soap micelles absorbing grease molecules.

EXIT Copyright © by McDougal Littell. All rights reserved.28 Figure 21.24: Lecithin, a phospholipid.

EXIT Copyright © by McDougal Littell. All rights reserved.29 Figure 21.25: Several common steroids and steroid derivatives.