Recombinant DNA
Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using

YACS
all of these
expression vectors
BACS

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Recombinant DNA
A genomic library is

a place where the information of the genetic organization of organisms are kept.
a book that describes how to isolate DNA from a particular organism
a database where the sequence of an organism's genome is stored
a collection of many clones possessing different DNA fragments from the same organisms bound to vectors

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