The specific parts of foreign proteins that the immune system recognizes and "remembers" are called ________
A) receptor sites
B) binding sites
C) antibody sites
D) antigenic sites
E) None of the above.
D
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Very few preventative measures are taken against anthrax, because
A) the general population is not exposed to infected materials or animals regularly. B) non-weaponized anthrax causes only a mild flu-like illness. C) no vaccines are effective. D) the causative agent Bacillus anthracis mutates rapidly.
During gastrulation, three tissue layers form: the outer __________, the inner __________, and the __________ in between the first two layers.
Fill in the blank(s) with the appropriate word(s).
Escherichia coli and Salmonella can live in our intestines in the presence or absence of oxygen. They are considered which of the following?
What will be an ideal response?
Which of the following does not attach to the sternocleidomastoid muscle?
A. clavicle B. mastoid process C. rib D. skull E. sternum