1. Chapter Twenty Six
Protein Metabolism

2. Lipids cont’d CO 26.1 Paul Nicklen / Getty Images
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3. Lipids cont’d Fig. 26.1 Summary of protein digestion in human body.
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4. Lipids cont’d
Table 26.1
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5. Lipids cont’d
Fig. 26.2
Possible fates for amino acid degradation products.
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6. Lipids cont’d
Fig. 26.3
Key compounds in the transamination / oxidative deamination process include three keto acid/amino acid pairs.
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7. Lipids cont’d
Fig. 26.4
The role of pyridoxal phosphate in the process of transamination.
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8. Lipids cont’d Fig. 26.5 The four-step urea cycle.
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9. Lipids cont’d
Fig. 26.6
The nitrogen content of the various compounds that participate in the urea cycle.
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10. Lipids cont’d
Fig. 26.7
Fumarate from the urea cycle enters the citric acid cycle, and aspartate produced from oxaloacetate of the citric acid cycle enters the urea cycle.
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11. Lipids cont’d
CC 26.1
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12. Lipids cont’d CC
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13. Lipids cont’d Fig. 26.8 Fates of the carbon skeletons of amino acids.
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14. Lipids cont’d
Fig. 26.9
The starting materials for the biosynthesis of the 11 nonessential amino acids.
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15. Lipids cont’d Fig. 26.10 Protein hemoglobin
© Leonard Lessin / Peter Arnold, Inc.
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16. Lipids cont’d
Fig
Stercobilin and urobilin have structures that closely resemble bilirubin.
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17. Lipids cont’d
CAG 26.1
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18. Lipids cont’d
Fig
Human body response to feasting, fasting, and starving.
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