The cholesterol efflux from the sperm cell membrane is thought to change the location of its “lipid rafts,” contain receptor proteins that can bind the zona pellucida and participate in the acrosome reaction

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Dictyostelium has evolved developmentally regulated systems of cell-cell adhesion that are necessary for the morphogenesis of individual cells into a coherent organism.

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#Unit 5. Developmental Biology

There are three cell adhesion molecule are-

24 KDa glycoprotein (gp 24)- Ddcad1

80 KDa glycoprotein (gp 80)- Csa A

150 KDa glycoprotein (gp 150)- Lag C

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#Unit 5. Developmental Biology

gp 24– form loose aggregate

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gp 80 – form tight aggregate

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gp 150– help in migration of slug

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Adenylate cyclase A (ACA), is responsible for the synthesis of cAMP.