HIGH SCHOOL ACE: Challenge Yourself!

    Molecular Genetics Quiz
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The non-coding sequences of a gene or pre-mRNA are ____. aromatic
A ____ is a regulatory sequence upstream (5') of a gene. helicase
Purines have two ____ rings, whereas pyrimidines have one. histones
A mutation can be an insertion, deletion, or ____ of nucleotides. introns
The primary structure of DNA is its ____ sequence. mutation
During replication, ____ separates the DNA strands. nucleotide
A change in the sequence of a chromosome is a ____. promoter
In chromatin, DNA is spooled around proteins called ____. substitution

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