Why are the chances of an immune response in a patient given between 10 µg and 1g of an immunogen (drug) higher than a patient given higher than 1g or lower than 10 µg of the same drug?
What will be an ideal response?
Answer: Extremely high (>1g) or low (<10 µg) doses may suppress the specific immune response induced by the drug by stimulating development of tolerance.
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A merodiploid is:
A. a haploid organism that contains a second copy of a part of its genome. B. a haploid organism that is missing part of its genome. C. a diploid organism that is missing part of its genome. D. a diploid organism that contains another copy of its genome.
Individual plant cells typically gain or lose water mainly via
a. facilitated diffusion. b. symport. c. guttation. d. osmosis. e. bulk flow.
Declining amphibian populations are correlated with four of the following. Which one is the exception?
a. habitat loss b. introduction of new species c. long-term changes in climate d. evolutionary changes in amphibians e. fungal infections and parasitic diseases
Which of the following describes a process that involves viral replications and assembly within a host, followed by bursting the host cell wall?
A. Lysogenic cycle B. Prophage C. Replication D. Lytic cycle E. Living