Two kinds of custom antibodies are available-monoclonal or polyclonal. Polyclonal antibodies are created in response to a mixture of epitopes on complex injected antigenic material; monoclonal antibodies are produced by a hybridoma strain, which is created from fusion of an immortal tumor cell line with a single B lymphocyte, and thus respond to a single specific epitope.You are designing a fast assay system for detecting flu virus in patients. You hope to send these tests to clinics in far-flung regions of the globe so they can conduct surveillance on influenza epidemics. The kits will need to remain functional for several years. What type of antibody will you choose?
A. Polyclonal
B. Monoclonal
Answer: A
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A) acetylcholine B) epinephrine C) endorphin D) nitric oxide E) gamma-aminobutyric acid (GABA)
A ribozyme is an:
A. enzyme that degrades mRNA. B. enzyme that chemically modifies tRNA base composition. C. RNA molecule with enzymatic activity. D. RNA molecule that guides a protein enzyme to the correct sequence.
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A) food vacuole B) centriole C) endoplasmic reticulum D) central vacuole E) mitochondrion
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A) biological activity. B) decomposition. C) leaching of mineral particles. D) accumulation of leached mineral particles.