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Synthesis of the active hormone formed from vitamin D or its precursor in skin.
These young children are taking the initiative to explore their environment as they examine a snail
The cotton-top tamarin (Saguinus oedipus), also known as the Pinche tamarin, is a small New W
Some of the many small molecules found in cells
Pathway for vitamin D activation.
Phosphorus in Phospholipids Phosphorus makes up part of the phospholipids found in cell membranes