Geneticists can make complimentary DNA copies of messenger, transfer, and ribosomal RNA by using

A. reverse transcriptases.
B. restriction endonucleases.
C. palindromes.
D. ligases.
E. DNA polymerases.


Answer: A

Biology & Microbiology

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The layered membranes that jacket the central nervous system are the

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Fill in the blank(s) with the appropriate word(s).

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The Hardy-Weinberg law is useful for

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