Cancer is the number one cause of death in the US.
a. true
b. false
b. false
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Microarrays, hybridization tests, and ribotyping are increasing in frequency in their use in clinical labs for diagnosis of infectious diseases and the microorganisms causing them. Why is this?
A. They are cheaper than biochemical tests. B. They have greater specificity for the organism because they employ specific antibody. C. The tests are more easily performed in a doctor's office or hospital, right there where the specimens are taken. D. Genomic testing has less errors compared to biochemical tests and serological tests.
An epitope is part of an antibody's:
A. constant region of a heavy chain. B. antigen. C. hypervariable region. D. fab fragment.
All of the following are reproductive structures found in some fungi except
A. ascus. B. basidium. C. sporangiophore. D. mycorrhiza. E. conidia.
What is the original source of variation that natural selection can act upon?
A) Mutation B) Gene flow C) Genetic drift D) All of the above