What is the primary site of erythropoiesis in the adult?
a. heart
b. kidney
c. bone marrow
d. liver
Answer: c. bone marrow
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In general, lipids are water insoluble
Indicate whether this statement is true or false.
Less than ________________________________________ of the population in the United States works with farm animals
Fill in the blank(s) with correct word
Which of the following best describes the interaction between an enzyme and its
substrate? A) The enzyme temporarily deactivates the substrate. B) The enzyme surrounds and completely contains the substrate. C) The substrate surrounds and completely contains the enzyme. D) Part of the enzyme temporarily binds part of the substrate molecule.
Generally, cells with a very brief interphase and lacking a G0 phase
A) are stem cells. B) do not exhibit cytokinesis. C) have brief life spans. D) are reproductive cells. E) lack the enzyme DNA polymerase.