The most common respiratory pigments in animals are:a
myoglobin and hemocyanin.
b. myoglobin and hemoglobin.
c. hemocyanin and hemoglobin.
d. mucus and hemoglobin.
e. pulmonary surfactant and myoglobin.
b
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Which of the following is NOT one of the four steps involved in phagocytosis?
A) exocytosis B) attachment C) internalization D) interleukin release E) degradation
The production of light by an organism is called ____.
A. autophotoproduction B. bioluminescence C. luminarianism D. autoillumination E. bioillumination
Which membrane transport mechanism requires ATP?
a. facilitated diffusion b. simple diffusion c. osmosis d. active transport
Immunodeficiencies are a result of all of the following EXCEPT
A) HIV infection. B) cyclosporine. C) DiGeorge syndrome. D) Hodgkin's disease. E) autoimmune diseases.