Select the correct answer. what hormonal change occurs after fertilization that causes the endometrial lining to remain intact so that the fertilized egg can successfully implant in it? a. the pituitary gland secretes oxytocin, which maintains the endometrial lining. b. the pituitary gland secretes follicle stimulating hormone, which acts on the follicles and stimulates them to produce progesterone. c. the hypothalamus secretes gonadotropin releasing hormone, which maintains the endometrial lining. d. the developing embryo secretes human chorionic gonadotropin, which prevents the corpus luteum from disintegrating. e. the developing embryo takes over the production of progesterone after the breakdown of the corpus luteum to maintain the endometrial lining.
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The influenza virus cause the flu, but not other diseases. why?
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How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
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Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Biology, 22.06.2019 03:00
Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Select the correct answer. what hormonal change occurs after fertilization that causes the endometri...
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