שאלה | 33. Which sentence best describes the difference between the node and the primitive streak?

33. Which sentence best describes the difference between the node and the primitive streak?

		The node is an organizing center responsible for left-right asymmetry and patterning of the embryo. The primitive streak is a zone in the epiblast through which cells migrate to form mesoderm or endoderm
		The primitive streak is an organizing center responsible for left-right asymmetry and patterning of the embryo. The node is a zone in the epiblast through which cells migrate to form mesoderm and endoderm
		The node is unique to amphibians, where it is known as the organizer. The primitive streak is a zone in the epiblast through which cells migrate to form mesoderm and endoderm
		The node is unique to amphibians, where it is known as the organizer. The primitive streak is an organizing center responsible for left-right asymmetry and patterning of the embryo