Multiple Choice
Thyroxine is a peptide hormone, but its mechanism is different from other peptide hormones. Which of the following statements is true concerning this difference?
A) It is a stimulant of cellular metabolism and targets all cells.
B) It does not require a second messenger to cause a response.
C) It causes positive feedback.
D) It is very specific in the cell type it targets.
Correct Answer:
Verified
Correct Answer:
Verified
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