Which hormone prepares the reproductive tract for pregnancy?
a. estrogen
b. luteinizing hormone
c. oxytocin
d. progesterone
e. prolactin
ANSWER: d
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ATP has a phosphate transfer potential of 30.5, whereas glucose-6-phosphate has a phosphate transfer potential of 13.8. Based on these differences, which of the following will happen?
A. Glucose-6-phosphate will transfer phosphate to ADP forming ATP. B. ATP will transfer phosphate to glucose-6-phosphate. C. ATP will transfer phosphate to phosphoenolpyruvate. D. Phosphates will not be transferred between these molecules.
The Endangered Species Act became a law in __________
a. 1973 b. 1983 c. 1993 d. 2003
GALT refers to
A. sterile organs of the GI tract: Gingiva, Appendix, Large intestine, Tonsils. B. Gingival Adhesive Labile Toxin, a virulence factor for gingivitis. C. defenses of the GI tract: Gut microbes, Adenoids, Lysozyme, Tonsils. D. Gut-Associated Lymphoid Tissue.
What does the circled part of the phylogenetic tree above indicate?
A) an adaptive radiation B) a mass extinction event C) rapid speciation D) an adaptive radiation and rapid speciation