Activated B cells divide to form plasma cells and memory B cells, both of which are short-lived and secrete copious
amounts of antibody molecules into the bloodstream.
a. True
b. False
False
Biology & Microbiology
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Dissimilatory sulfide-oxidizers use a variety of unique ecological strategies in order to
A) avoid the toxicity of hydrogen sulfide. B) position themselves at interfaces where sulfide and oxygen meet. C) position themselves where there is sufficient light for sulfide oxidation. D) find organic carbon substrates.
Biology & Microbiology
Which of the following terms refers to heart pains?
a. atherosclerosis b. arteriosclerosis c. angina pectoris d. myocardial infarction e. aortic dissection
Biology & Microbiology
Red marrow is located in the area indicated by
a. A. b. B. c. C. d. D. e. E.
Biology & Microbiology
How many cells are made after meiosis in human females?
a. 4 b. 5 c. 6 d. 2
Biology & Microbiology