Meridional cleavage results in blastomeres numbering

The hyaluronic acid that binds the corona radiata cells is a/an ...... .

Fertilizins are the substances emitted from

Identify the correct statement regarding fertilization.

The repressor theory of activation of fertilization was proposed by:

$Statement I$: Penetration of sperm into ovum is a chemical process. $Statement II$: Acrosome of sperm secretes hyaluronidase which dissolves the corona radiata of the ovum.