Two separate processes, the first involves a signaling pathway that facilitates the infection process itself and  the second involves the activation of a set of genes that regulate the formation of root nodules. Which of the following receptor is thought to participate in both processes?

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#Question id: 28414

#Unit 5. Developmental Biology

The first cleavage furrow appears centrally in the blastodisc and other cleavages follow to creates___

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#Question id: 28415

#Unit 5. Developmental Biology

Equatorial and vertical cleavages divide the blastoderm into a tissue about 4 cell layers thick, how the cells are linked together?

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#Question id: 28416

#Unit 5. Developmental Biology

The switch from maternal to zygotic gene expression in chick embryo occurs at around the___

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#Question id: 28417

#Unit 5. Developmental Biology

In chick embryo, the space between the blastoderm and the yolk is called___

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#Question id: 28418

#Unit 5. Developmental Biology

How the Subgerminal cavity is created?

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#Question id: 28419

#Unit 5. Developmental Biology

A 1-cell-thick area in the center of the avian blastoderm that forms most of the actual embryo is called___