When S. aureus infects the body, which cells will produce the antigen receptors that will recognize the polysaccharides in the cell wall of S. aureus?
a. B cells
b. Macrophages
c. Memory T cells
d. T cells
e. Mast cells
a
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Which of the following is NOT correct regarding DNA and RNA synthesis?
A) The overall direction of chain growth is from the 5' to 3' end. B) Both processes require an RNA primer to begin. C) The template strand is antiparallel to the newly synthesized strand. D) DNA is the template for both DNA and RNA synthesis.
Evolution of metamorphosis allowed insects to, most importantly, utilize ____
a. wings b. dispersion c. multiple developmental patterns d. multiple sets of resources e. multiple methods of reproduction
The United States accounts for ___ percent of
the world’s population and uses ___ percent of the world’s mineral and energy supplies.
a. 10.5...50 b. 25...25 c. 10.5...10.5 d. 4.6...25 e. 1.5...10.5
The greatest concentration of nitrogen on Earth is found in ____
a. living organisms, including bacteria b. the atmosphere c. soil minerals d. fossil fuels e. oceans