Fetal hemoglobin (Hb F) has an intrinsically greater affinity for O2 than adult hemoglobin (Hb A) because: Group of answer choices The pH of fetal blood is less than the pH of maternal blood. Hb F has a diminished capacity to bind BPG compared to Hb A. BPG binds Hb F with greater affinity than it binds Hb A. Hb A has a greater affinity for oxygen than does Hb F.

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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the answer is c.mitochondria. glad to .