During the secretory phase of the menstrual cycle
A. LH reaches its highest levels
B. estrogen reaches its highest levels
C. progesterone levels are at their highest
D. the Graafian follicle forms
Answer: C. progesterone levels are at their highest
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An animal that undergoes physiological changes caused by an experimentor regulating environmental variables is said to have __________
Fill in the blank with correct word
Why are inguinal hernias generally associated with males?
A) Males have a gene on the Y chromosome that codes for inguinal hernia, whereas women do not have the Y chromosome. B) Women have a thicker set of skeletal muscles in the abdominal wall compared to men. C) Males work more strenuously than women, thereby damaging the abdominal wall. D) Males have a canal through the abdominal wall that the testes move through, and it often does not close up properly. E) The groin area is genetically weaker in men than in women because of the presence of the penis and testes.
A secondary oocyte arrests in
A. prophase I. B. anaphase II. C. metaphase II. D. prophase II. E. metaphase I.
In the citric acid cycle, a 2 carbon molecule and a 4 carbon molecule combine to produce
A) fructose-1, 6-bisphosphate. B) carbon dioxide. C) pyruvic acid. D) NADH. E) citric acid.