Gases diffuse down a ____ gradient
a. volume
b. temperature
c. osmotic
d. partial pressure
e. chemical
d
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Over long segments of chromosomes, the linear order of mouse and human genes is preserved. This is called conserved ______________.
Fill in the blank(s) with the appropriate word(s).
Because the procedure you are using to modify plants requires their cell membranes to be pulled away from the cell walls by plasmolysis, you place the cells in a(n)
A) acid solution. B) hypotonic solution. C) isotonic solution. D) basic solution. E) hypertonic solution.
Which organelle migrates during M phase to form the two opposite poles of the dividing cell and acts as the source of the spindle fiber microtubules?
A) centromere B) kinetochore C) centrosome D) chiasmata E) chromosome
When leukocytes release the contents of their cytoplasmic granules, the process is called
A) leukocytosis. B) opsonization. C) inflammation. D) complement cascade. E) degranulation.