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Which enzyme,active in organ D,has nucleotides as a substrate?
Echinodermata
A phylum of marine animals including sea stars, sea urchins, and sea cucumbers, characterized by radial symmetry and a unique water vascular system.
Echinoderms
A phylum of marine animals that includes starfish, sea urchins, and sea cucumbers, characterized by radial symmetry and a unique water vascular system.
Radial Symmetry
A symmetrical arrangement of parts around a central axis, as seen in many aquatic organisms, allowing them to interact with their environment from any direction.
Endoskeleton
An internal support structure of the body, found in vertebrates, consisting of bones and cartilages.
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