Few mutants (column A) and their results (column B) are listed in the table given below:

Column A	Column B
A. Gain-of-function of Ski	I. Inhibits the ability of activated type I TGF-β receptors (RI) to phosphorylate R-Smad proteins
B. Loss-of-function of RII receptor	II. Transcription activation induced by TGF-β and mediated by Smad complexes is shut down
C. Gain-of-function of smad-7
D. Loss-of-function of R-smad

Match the correct mutation with the observe result?

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#Question id: 11571

#Unit 7. System Physiology – Animal

Which of the following is the most likely explanation for hypothyroidism in a patient whose iodine level is normal?

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#Question id: 11572

#Unit 7. System Physiology – Animal

When a person drinks alcohol, the rate of urination increases. Which of the following best accounts for the increase in urination above normal rates?

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#Question id: 11573

#Unit 7. System Physiology – Animal

Removing which of the following glands would have the most wide-reaching effect on bodily functions of an adult human?

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#Question id: 11574

#Unit 7. System Physiology – Animal

Glucocorticoids do which of the following?

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#Question id: 11575

#Unit 7. System Physiology – Animal

Fight-or-flight reactions include activation of the ________.

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#Question id: 11576

#Unit 7. System Physiology – Animal

The amino acid tyrosine is a starting substrate for the synthesis of :