explain t3 is more potent and active than t4 (thyroid hormone)
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T3 is more active but T4 is more potent.
This is because, T3 has weak bonds as compared to T4. So, T3 being unstable will dissociate easily and be readily available to the receptors of the target organ. T4, as compared to T3 has strong bonds which do not dissociate easily (Since being more stable) and is produced 20 tes more than T3 (hence potent).
It is also noted that on reaching the target organ T4 loses one iodine to form T3 which then acts on the receptors of the target organ.
This is because, T3 has weak bonds as compared to T4. So, T3 being unstable will dissociate easily and be readily available to the receptors of the target organ. T4, as compared to T3 has strong bonds which do not dissociate easily (Since being more stable) and is produced 20 tes more than T3 (hence potent).
It is also noted that on reaching the target organ T4 loses one iodine to form T3 which then acts on the receptors of the target organ.
santoshbhat:
but the question says t3 is more potent than t4 and we have to explain this
No
T4 is more potent
You can even check the Biology Government Textbook
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