From Theory to Practice
In an attempt to show how the use of translation in foreign language classes can help enhance and further improve reading, writing, speaking and listening skills, this work calls for a re-evaluation and a rehabilitation of the translation activities in the foreign language classes.
Appendix 2 129
129 Appendix 2 (full version of text 3 - section 4.5) Conservation of Digestive Enzymes Stephen Rothman, Charles Liebow, and Lois Isenman University of California-San Francisco, San Francisco, California; State University of New York, Buffalo, New York; and Brandeis University, Waltham, Massachusetts I. INTRODUCTION II. FOUNDATION OF THE TRADITIONAL VIEWPOINT: THE SINGLE PASS III. MEMBRANE PERMEABILITY A. Intestinal Epithelium B. Transpancreatic Transport IV. CIRCULATION MEASURED IN SITU A. Circulation of Intact Digestive Enzymes by Tracer Analysis B. Magnitude of Circulation C. Effect on the Plasma Pool V. ATTEMPTS AT CORROBORATION A. Pancreatic Arteriovenous Concentration Difference B. Intravenous Injection of Radiolabeled Digestive Enzyme C. Fate of Digestive Enzymes in the Intestines VI. RATE OF SYNTHESIS OF DIGESTIVE ENZYMES COMPARED WITH THEIR RATE OF SECRETION A. Basal Rate of Protein Secretion B. Enhancing Synthesis C. Ribosomes D. Energy Requirement E. Summary VII. MEMBRANE PROTEIN TRANSPORT VIII. FORMS OF CIRCULATING PROTEINS IX. CONSERVATION OF OTHER DIGESTIVE ENZYMES X. CONCLUSIONS 130 ABST The t digest with e these experi digest pancre amino culatio INTR In thi great eviden entire data s bowel secret pancre RACT raditional un ive enzymes ach meal. T enzymes are ments that b ive enzyme as, and reu acids in th n of digestiv ODUCTIO s review we interest whe ce that the ly new comp uggested th with the foo ed by the atic circulat derstanding is secreted his is though degraded d ring this poi s can be ab tilized, inste e intestines e enzymes. N summarize n...
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