MCQ
Which of the following is not a secondary messenger ?
- ACyclic $AMP$
- B$IP_3$
- C$Ca^{++}$
- ✓Iodothyronine
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$(i)$ Due to alteration of $DNA$ sequences genotype is change.
$(ii)$ Changes occur in phenotype.
$(iii)$ Variation create in $DNA$
$(I)$ Compound epithelium is made of multi layered of cells.
$(II)$ Limited role in secretion and absorption.
$(III)$ To provide protection against chemical and mechanical stresses.
$(IV)$ It present in $PCT$.