Test: GRE Subject Test: Biochemistry, Cell, and Molecular Biology

1.

Which of the listed processes are part of gastrulation?

The formation of ectoderm and endoderm germ layers in radially symmetric organisms

The formation of the primitive streak that undergoes epithelial to mesenchymal transition

The invagination of the notochord to induce the formation of the neural plate

The ingression of cells from the epiblast to form a circular blastocyst

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