To explain: The reason why PYY_3-36 hormone must be administered intravenously rather than orally in the experiments to test the appetite-suppressing effects of PYY_3-36.

Concept introduction: Peptide YY (PYY) is also known as peptide tyrosine. It is a peptide that is encoded by PYY gene in the humans. It is a short peptide having 36 amino acids and is released from the cells of ileum and colon in response to feeding. PYY_3-36 and PYY_1-36 are the two major forms of peptide YY. PYY_3-36 is a linear polypeptide that consists of 34 amino acids.

Expert Solution & Answer

Chapter 22 Solutions

Fundamentals of Biochemistry: Life at the Molecular Level

Ch. 22 - Prob. 1E Ch. 22 - Prob. 2E Ch. 22 - 3. Toxins that occur in certain mushrooms block ?...Ch. 22 - Prob. 4E Ch. 22 - 5. The passive glucose transporter named GLUT1...Ch. 22 - Prob. 6E Ch. 22 - Prob. 7E Ch. 22 - 8. (a) Identify the two reactions that allow the...Ch. 22 - Prob. 9E Ch. 22 - Prob. 10E

Ch. 22 - Prob. 11E Ch. 22 - 12. Predict the effect of an overdose of insulin...Ch. 22 - 13. Would you expect insulin to increase or...Ch. 22 - Prob. 14E Ch. 22 - 15. Why can adipose tissue be considered to be an...Ch. 22 - 16. If the circulatory system of an ob/ob mouse is...Ch. 22 - 17. In experiments to test the...Ch. 22 - Prob. 18E Ch. 22 - Prob. 19E Ch. 22 - Prob. 20E Ch. 22 - Prob. 22E Ch. 22 - Prob. 21E Ch. 22 - 23. AMPK activates phosphofructokinase-2. Explain...Ch. 22 - Prob. 24E Ch. 22 - Prob. 25E Ch. 22 - Prob. 26E Ch. 22 - 27. Why does oxidative metabolism, which generates...Ch. 22 - Prob. 28CQ Ch. 22 - 29. Pancreatic ? cells express a receptor for...Ch. 22 - Prob. 30CQ Ch. 22 - Prob. 31CQ Ch. 22 - Prob. 32CQ Ch. 22 - 33. Experienced runners know that it is poor...Ch. 22 - 34. After several days of starvation, the capacity...Ch. 22 - Prob. 35CQ Ch. 22 - Prob. 36CQ Ch. 22 - Prob. 37CQ Ch. 22 - Prob. 38CQ Ch. 22 - Prob. 39CQ Ch. 22 - Prob. 40CQ Ch. 22 - Prob. 1MTE

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