Osteoclast-activating factor does all of the following except that it
A) is released in large amounts early in life.
B) increases the number of osteoclasts.
C) increases the activity of osteoclasts.
D) produces a severe osteoporosis.
E) is released by some cancer tumors.
A
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Which of the following are TRUE of the Krebs cycle?A) Oxygen is required.B) Fats can be utilized as an energy source through conversion to acetyl-coA.C) Carbohydrates can be utilized as an energy source through conversion to acetyl-coA.D) It takes place in the cytosol.E) Only muscle cells utilize it as a way to make ATP.
What will be an ideal response?
The tall slender body shape that helps to dissipate heat in people native to equatorial regions is an example of
A. homeostasis. B. phase shift. C. set point resetting. D. an adaptation. E. acclimatization.
The tubular cells display a Tm for urea
Indicate whether the statement is true or false
The smooth muscle cells of the digestive tract need to send electrical signals between each other to contract in unison. The type of intercellular junction best suited for this need is ________.
A. a desmosome B. found in the blood-brain barrier C. a tight junction D. a gap junction