... metallothioneins, zinc-binding proteins that function asreservoirs for zinc in various animal cells [34], includ-ing sea urchin eggs [33].We do not exclude the possibility that MYP is alsoinvolved in ... is incorporated into the nutritive phagocytes, some of the CFMYP forming homotetramers is pro-cessed to EGMYP, with loss of zinc-binding site(s); the remainder retains zinc. When CFMYP is incorporated ... determined by ICP-AES. To investigate the accumulation of zinc in the gonads during gameto-genesis, increases in the size of the gonads during this periodwere taken into consideration. Thus, zinc...