ScholarMatic: Explanation & Answer
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Molecular Biology Help!
__________________ assemble to form a spliceosome, the splicing
machine that excises introns.
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A. rRNAs |
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B. snRNPs |
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C. tRNAs |
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D. Micro RNAs |
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E. none of the above |
The microsomal fraction from ultracentrifugation of cell
suspensions contains pieces of the endoplasmic reticulum and
___________.
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A. proteins |
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B. proteomes |
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C. ribosomes |
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D. tRNAs |
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E. none of the above |
__________ activates more than 100 operons.
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A. cAMP-CRP |
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B. beta-galactosidase |
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C. allolactose |
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D. all of the above |
Protein synthesis machinery reads the mRNA nucleotide sequence
in groups of three bases or ______________.
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A. open reading frames |
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B. codons |
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C. operators |
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D. operons |
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E. none of the above |
_____________ genes encode transcription activator proteins.
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A. Enhancer |
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B. Repressor |
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C. Homeotic |
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D. Overexpression |
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E. none of the above |
ScholarMatic: Explanation & Answer
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