One advantage to live vaccines is that they do not need adjuvants
a. true
b. false
.A
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A male patient comes into the clinic with his female partner. He complains of a painful burning sensation while urinating. He suspects an STI, but his partner has no symptoms to speak of. Which of the following STIs does he most likely have?
A. AIDs B. Chlamydia C. Syphilis D. Gonorrhea
The germinal center of a lymphatic nodule contains proliferating B-lymphocytes and macrophages
Indicate whether this statement is true or false.
If a fetus does not get enough calcium by way of the mother's diet, the fetus will ________.
A. obtain calcium by converting it from other nutrients B. break down its own bones that have developed so far C. be unable to obtain any additional calcium and may not develop properly as a result D. obtain calcium from the mother's bones and teeth, weakening them
In meiosis the spermatozoa that are produced are genetically unlike each other and unlike the cell that produces them. This is one reason for the great variation among humans. What causes this effect?
A) chromosome segregation and independent assortment only B) crossing-over and chromosome segregation only C) crossing-over and independent assortment only D) crossing-over, chromosome segregation, and independent assortment