This class of antibodies is first to appear after infection, activates complement, and causes cells to clump, encouraging phagocytosis.
A. IgG
B. IgM
C. IgE
D. IgD
B. IgM
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What would be the hypothetical outcome if the action of RecA were inhibited during the SOS response?
A. LexA would autolyse, and therefore the transcription of DNA repair genes would occur. B. LexA would not autolyse, and therefore the transcription of repair genes would occur. C. LexA would not autolyse, and therefore the transcription of DNA repair genes would not occur. D. LexA would autolyse, and therefore the transcription of repair genes would not occur.
Which invertebrate is thought to reign as a formidable predator?
a. Squids b. Lobsters c. Whelks d. Seastars
Dichotomous or binary data:
a. nominal b. ordinal c. discrete d. continuous
For which disorder can those affected be male or female?
A) Turner syndrome B) Klinefelter syndrome C) Trisomy X D) XYY syndrome E) Down syndrome