The drug RU486, or Mifepristone, functions by _____
A) inhibiting release of gonadotropins from the pituitary
B) blocking progesterone receptors in the uterus
C) preventing release of the secondary oocyte from the ovary
D) reducing sexual interest
E) prolonging the endurance of the corpus luteum
Answer: B
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The female hormones that participate in milk production for the newborn are
a. prolactin and oxytocin. b. prolactin and estrogen. c. prolactin and progesterone. d. oxytocin and estrogen. e. oxytocin and progesterone.
The placenta performs all of the following functions EXCEPT for ____
a. mixing maternal and fetal blood for immunity b. oxygen delivery to fetus c. waste removal from fetus d. progesterone production e. nutrient delivery to fetus
Which of the following is a function of parenchyma cells? I) food storage II) photosynthesis III) divide and develop to become other types of cells
A) I B) II C) III D) I, II, and III
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.
A. Last part of interphase in the parent cell B. Period after DNA is duplicated C. Period prior to mitosis D. Nuclear division that maintains the chromosome number E. Period commonly followed by cytokinesis F. Period in which metaphase occurs G. Period when DNA is duplicated H. Period of cell growth before DNA duplication I. Period when interphase begins in a cell J. Event that divides a cytoplasmic mass