The first flowering plants, true mammals, and true frogs appeared during the _____ period.
A. Cambrian
B. Jurassic
C. Cretaceous
D. Triassic
E. Permian
B. Jurassic
Biology & Microbiology
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How does the Black Queen Hypothesis explain the effect of gene deletions on bacterial evolution?
What will be an ideal response?
Biology & Microbiology
Which is a filamentous phage?
A. M13. B. T4. C. Lambda. D. TMV.
Biology & Microbiology
________ arrays are used to assess the diversity of a microbial population.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
What is the name of the elongated structure that links the embryo to the nutrient tissue of the seed?
A. suspensor B. ovule C. cotyledon D. epicotyl E. style
Biology & Microbiology