A danger associated with the use of specially developed plants in agriculture is that they
A. are likely to escape and become pests.
B. often show great genetic diversity.
C. often have little genetic diversity.
D. typically cannot reproduce.
C. often have little genetic diversity.
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The selection and differentiation of B cells during clonal selection is an example of:
A. mitosis. B. meiosis. C. binary fission. D. cytokinesis.
Among those listed, which type of microscopy would provide the highest resolution?
A. phase-contrast light microscopy B. scanning electron microscopy C. Nomarski differential-interference light microscopy D. confocal microscopy E. fluorescence microscopy
Genetic exchange between 2 homologous chromosomes is called
A. crossing over. B. pleiotropy. C. allelic exchange. D. independent assortment. E. synapsis.
What signals termination of translation in bacteria?
A) the stop amino acid is attached to the growing peptide chain B) EF-Tu and EF-G C) ribozymes D) a tRNA specific to the stop codon enters the ribosome's A site E) RF1 and RF2