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

Biology & Microbiology

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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

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The production of light by an organism is called ____.

A. autophotoproduction B. bioluminescence C. luminarianism D. autoillumination E. bioillumination

Biology & Microbiology

Which membrane transport mechanism requires ATP?

a. facilitated diffusion b. simple diffusion c. osmosis d. active transport

Biology & Microbiology

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.

Biology & Microbiology