| In chromatin, DNA is spooled around proteins called ____. |
exons |
| The cutting of pre-mRNA into mRNA is catalyzed by ____. |
genes |
| Nucleic acids (DNA and RNA) are polymers of ____. |
histones |
| The non-coding sequences of a gene or pre-mRNA are ____. |
introns |
| The amino acid sequences of proteins are specified by ____. |
mutations |
| The sequences of a gene that remain in mRNA are ____. |
nucleotides |
| Exposure to ultraviolet or ionizing radiation can cause ____. |
promoters |
| Transcription factors are proteins that bind to ____. |
spliceosomes |
