Which hormone prevents the corpus luteum from degenerating?
A. LH
B. FSH
C. hCG
D. progesterone
E. estrogen
C. hCG
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One function of cortical parenchyma cells is:
a. photosynthesis. b. to provide structural support and strength. c. to produce cutin. d. to conduct water and nutrient minerals. e. to conduct sugars
Our sense of balance depends most directly on
A. the vestibular system. B. the auditory system. C. the visual system. D. mechanoreceptors in our hands and feet. E. stretch receptors in our skeletal muscles.
Most of the early hominid fossils have been found in ________, a 2,000 mile fault line.
A. an area between Java and China B. the Neander Valley of Germany C. Royal Gorge, North America D. the East African Rift Valley
All of the following are true statements about ATP EXCEPT that it is
A) the cell's principal compound for energy transfers. B) the molecule that all living cells rely on to do work. C) synthesized only within mitochondria. D) a short-term energy-storage compound.