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Using rats previously labeled with 45Ca, the effects of a severely phosphate deficient diet on calcium mobilization from bone into serum were examined in both intact and thyroparathyroidectomized (TPTX) RATS. With the TPTX animals, increased calcium mobilization from bone was evident 12 hr after the rats had been placed on the low phosphorus diet. At that(More)
By three criteria, the glycolate pathway of metabolism is present in unicellular green algae. Exogenous glycolate-1-(14)C was assimilated and metabolized to glycine-1-(14)C and serine-1-(14)C. During photosynthetic (14)CO(2) fixation the distributions of (14)C in glycolate and glycine were similar enough to suggest a product-precursor relationship. Five(More)
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