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Biology: Molecular Genetics Quiz

Nucleic acids (DNA and RNA) are polymers of ____. alleles
In chromatin, DNA is spooled around proteins called ____. exons
The sequences of a gene that remain in mRNA are ____. histones
Purines have two ____, whereas pyrimidines have one. introns
The cutting of pre-mRNA into mRNA is catalyzed by ____. mutations
The non-coding sequences of a gene or pre-mRNA are ____. nucleotides
Different forms of the same gene are called ____. rings
Exposure to ultraviolet or ionizing radiation can cause ____. spliceosomes