Bone plays a critical role in providing ____ for the blood
a. sodium and calcium ions
b. magnesium and phosphate ions
c. carbon dioxide
d. phosphate and calcium ions
e. calcium ions and oxygen
ANSWER: d
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Explain how a parthenogenetic organism can produce diploid offspring
What will be an ideal response?
After blood flow is artificially reduced at one kidney, you would expect that kidney to secrete more of the hormone known as _____
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A friend makes the argument that transgenic crops have only been used to enrich large corporations, not to improve people's health. What is the best counterexample?
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