What two glands are involved in regulating sugar levels in the bloodstream? A. Thyroid and testes
B. Pituitary and Thymus
C. Ovaries and Hypothalamus
D. Adrenal Pancreas

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Adrenal and pancreas

Explanation:

they both are responsible for regulating sugar levels in the bloodstream

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during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.