bio exam - Department of Biological Sciences Clark Atlanta...

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Department of Biological Sciences Clark Atlanta University Biol 112, General Biology II Exam IV, Fall 2010 1. At the time of fertilization, the complete maturation of each oogonium has resulted in a. one secondary oocyte b. two primary oocytes c. four secondary oocytes d. four primary oocytes e. four zygotes 2. In vertebrates, spermatogenesis and oogenesis differ, in that 3. The primary difference between estrous and menstrual cycles is that 4. This hormone is secreted from a structure in the brain 1
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5. A contraceptive pill that continuously inhibits the release of GnRH from he hypothalamus will a. increase the production of estrogen and progesterone by the ovaries b. initiate ovulation c. reduce the secretion of gonadotropins from the anterior pituitary gland d. stimulate the secretion of LH and FSH from the posterior pituitary gland e. increase the flow phase of the menstrual cycle. 6. A primary response by the Leydig cells in the testes to the presence of luteinizing hormone is an increase in the synthesis and secretion of 7. A woman in the final week of pregnancy who is given an injection of oxytocin would likely
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