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8 Cards in this Set
- Front
- Back
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Eukaryotic cells require _______ RNA polymerases
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at least 2
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Eukaryotic RNA polymerases transcribe what 2 different products
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1) ribosomal RNA genes - 28s, 18s and 5.8s
2) rest of the nuclear genes |
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Ribosomal genes vary from other genes in their ____ ___ content
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60%,
40% |
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Ribosomal DNA is unusually __________. Each cell contains_________ copies
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repetitive
several hundred - 20,000 |
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Ribosomal DNA is found in the ______ while the remaining DNA is found in the_______.
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nucleolus
nucleus |
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RNA pol 1 transcribes a rRNA precursor that includes the following subunits
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45s - which is broken down into 28s, 18s, and 5.8s.
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RNA pol II transcribes
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heterogeneous nuclear RNA and snRNAs
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RNA pol III transcribes
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tRNA and 5srRNA
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