MCQ
Which one of the following is not a second messenger in hormone action ?
- ACalcium
- ✓Sodium
- C$cAMP$
- D$IP_3$
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| $(a)$ Ophura | $(i)$ Mollusca |
| $(b)$ Physalia | $(ii)$ Platyhelminthes |
| $(c)$ Pinctada | $(iii)$ Echinodermata |
| $(d)$ Planaria | $(iv)$ Coelenterata |
Select the correct option
$I.$ sponges $II.$ Coelenterates $III.$ Flatworms
Select the correct option to complete the given statement