Recombinant DNA technology
A) randomly creates new genes from free nucleotides.
B) involves combining existing genes from different organisms.
C) will never be of economic importance.
D) is always dangerous and inevitably leads to mutations and mistakes.
E) involves only changing genes in large mammals.
B
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Which series of terms correctly illustrates the sequence of the origin of modern groups of plants?
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You isolate a purify a bacteriophage that can replicate in E. coli. Through chemical analyses you determine that the only nucleic acid present is RNA
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