In Drosophila, Toll protein is a maternal product required for ventral axis.

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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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#Unit 5. Developmental Biology

gp 80 – form tight aggregate

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#Unit 5. Developmental Biology

gp 150– help in migration of slug

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#Unit 5. Developmental Biology

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

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#Unit 5. Developmental Biology

For stalk and spore maturation, cAMP is produced by adenylate cyclase R (ACR)