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In a two-factor experiment where factor A consists of I levels, factor B consists of J levels, and there is only one observation on each of the IJ treatments, SST has __________ degrees of freedom.
Recombinant Vaccine
A vaccine made by inserting genes from a pathogen into a different organism, producing an antigen and stimulating an immune response.
Viral Surface Protein
Proteins located on the surface of viruses that play key roles in the virus's ability to infect host cells and evade the host's immune response.
Reverse Transcriptase
An enzyme that synthesizes DNA from an RNA template, pivotal in the lifecycle of retroviruses and in certain biotechnological applications.
cDNA
Complementary DNA synthesized from an mRNA template using the enzyme reverse transcriptase, used in cloning and gene expression studies.
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