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Question
Study the following statements regarding recombinant DNA technology and select the correct one.
Options
Taq polymerase extends the primers using the nucleotides provided in the reaction.
Antibiotic resistance genes are considered desirable genes in recombinant DNA technology.
DNA fragments are separated according to their charge only in agarose gel electrophoresis.
Downstream processing is one of the steps of the polymerase chain reaction.
Solution
Taq polymerase extends the primers using the nucleotides provided in the reaction.
Explanation:
Other assertions can be modified because antibiotic-resistance genes are selected markers. Desirable genes are those that are inserted into vectors in order to produce a desired protein output. In agarose gel electrophoresis, DNA fragments are sorted based on their charge and size. Downstream processing is a recombinant DNA technology stage that comprises separation and purification.
