

MCQOPTIONS
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1. |
Mono-iodotyrosin (MIT) and diiodotyrosin (DIT) molecules: |
A. | are deiodinated before joining to form T3 and T4 |
B. | are secreted into plasma alongside T3 and T4 |
C. | are the inactive metabolites of T3 and T4 |
D. | are cleaved from thyroglobulin by proteases in lysosomes |
E. | are usually excreted in the urine |
Answer» E. are usually excreted in the urine | |