A structure that is retained even though it is not needed is called
1.analogous.
2.homologous.
3.vestigial.
4.a fossil.
5.a proteome.
3
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You have discovered a strain of E. coli that grows very slowly—the generation time is nearly 12 hours compared to the normal 20-30 minutes. Upon further investigation, you find a mutation in the DNA polymerase III gene
What subunit of the holoenzyme does this mutation affect the most? A. ? B. ? C. ? D. ?
Moths have an immunoglobulin-family protein called ____, which binds to pathogens and enhances their
phagocytosis.
a. hemolysin b. cadherin c. interleukin d. hemolin e. defensin
What was a t-test used to analyze the data collected from the termite orientation behavior experiment?
A. The dependent variable is discrete and the independent variable is continuous B. The independent variable is discrete and the independent variable is continuous C. Both dependent and independent variable are continuous D. Both dependent and independent variable are discrete
A(n) ________ assay is used for rapid identification of strep (group A Streptococcus) infections
A) direct fluorescent antibody B) immunodiffusion precipitation C) viral neutralization D) immunochromatographic E) immunoblot