Recombinant strains of ________ are released to colonize plant roots to produce an insecticide to destroy invading insects.
A. Saccharomyces cerevisiae
B. Pseudomonas syringae
C. Escherichia coli
D. Pseudomonas fluorescens
E. Thermus aquaticus
Answer: D
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A bone marrow aspirate is examined for the presence of parasites from a patient who has been traveling in Latin America for several months and who came in contact with a triatomid bug. Which parasite will most likely be identified?
a. Trypanosoma cruzi b. D. fragilis c. Fasciola hepatica d. Chilomastix mesnili
Why is it especially important that some echinoderms, like the sea stars, maintain an aboral surface free of debris and settling larvae?
What will be an ideal response?
Which of the following statements about photophosphorylation is FALSE?
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