After being stabilized with supplemental oxygen, a blood transfusion, and medication to help with the pain, JJ was prescribed the drug hydroxyurea to help increase the level of fetal hemoglobin (ay2)...

Extracted text: After being stabilized with supplemental oxygen, a blood transfusion, and medication to help with the pain, JJ was prescribed the drug hydroxyurea to help increase the level of fetal hemoglobin (ay2) in the red blood cell. Though the exact pharmacological effect of hydroxyurea is unclear in the treatment of Sickle Cell Disease, it is known that the drug is an inhibitor of ribonucleotide reductase and acts to transiently inhibit deoxyribonucleotide synthesis in dividing cells. Q5: In which phase of the cell cycle does hydroxyurea produce its main effect?