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 causes positive feedback.
C) It is very specific in the cell type it targets.
D) It does not require a second messenger to effect a response.
Correct Answer:
Verified
Correct Answer:
Verified
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