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Biology, 22.06.2019 22:30
Based on their relative positions in the periodic table, which two elements would have the same number of valence electrons?
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Biology, 23.06.2019 00:30
Which hormones are synthesized from cholesterol? a. steroidsb. modified amino acidsc. peptidesd. glycoproteinse. all of the above
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Biology, 23.06.2019 00:30
Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? -birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur.-birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur.-birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle.-the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.
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This is the term for the weather patterns that an area experiences over a long period of time? a) c...
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