★ Biotechnology: Tools & Techniques Quiz
Why is DNA ligase important in genetic engineering?
A. It cuts the DNA into smaller pieces
B. It synthesizes new DNA strands
C. It joins DNA fragments together
D. It amplifies DNA in PCR
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How does DNA sequencing enable the mapping of species’ genomes?
A. By identifying the proteins produced by genes
B. By separating DNA fragments by size
C. By determining the exact order of nucleotide bases in DNA
D. By amplifying segments of DNA
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