Cells with ________ have at least 20 times the surface area of cells without them.
What will be an ideal response?
microvilli
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If blood calcium levels drop below 8.5 mg/dL which hormone is likely to be activated?
A) parathyroid hormone B) estrogen C) calcitonin D) calcitriol E) both calcitriol and parathyroid hormone
Glucagon stimulates the liver to form glycogen from glucose.
Answer the following statement true (T) or false (F)
Decreased ADH levels results in a urine high in
A. potassium. B. water content. C. glucose content. D. bicarbonate content. E. hydrogen ions.
If a bone is immersed in a weak acid such as vinegar for several days, its inorganic components will dissolve. What will be the result of such an experiment?
A. The bone will dissolve completely. B. The compact bone will dissolve, leaving only the inner spongy bone. C. The bone will become extremely brittle. D. The bone will become soft and bendable. E. The spongy bone will dissolve, leaving only the outer compact bone.