Opsonization is ______.
A. a membrane attack complex lysing a bacterium by making a hole in its membrane
B. when complement causes inflammation to occur
C. when the nine complement factors cascade in order
D. coating of a bacterium with antibody to make it more susceptible to phagocytosis
D. coating of a bacterium with antibody to make it more susceptible to phagocytosis
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Bacteria do not have organelles. How are they able to carry out photosynthesis?
A) They are parasites of plants that do have organelles. B) They interact in a symbiotic relationship with eukaryotic plants. C) They use their cell membrane to carry out photosynthesis. D) DNA in the nucleoid captures solar energy. E) 70S ribosomes function as photosystems.
Do males possess an organ that is analogous to the uterus in females?
A. Yes B. No
A person who cannot focus well on distant objects has ________
A) farsightedness B) nearsightedness C) astigmatism D) cataracts
Which of the following is known as the "Age of the Modern Man?"
a) Mesozoic Era b) Cenozoic Era c) Paleozoic Era d) Cretaceous Era e) none of the above