TranscriptionandTranslationKey

TranscriptionandTranslationKey - Transcription and...

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Transcription and Translation 1. Which of the following is not a difference between RNA and DNA? a. RNA has uracil; DNA has thymine. b. RNA has ribose; DNA has deoxyribose. c. RNA has five bases; DNA has four. d. RNA is a single polynucleotide strand; DNA is a double strand. e. RNA molecules are smaller than human chromosomal DNA molecules. 2. An mRNA has the sequence 5´-AUGAAAUCCUAG-3´. What is the template DNA strand for this sequence? a. 5´-TACTTTAGGATC-3´ b. 5´-ATGAAATCCTAG-3´ c. 5´-GATCCTAAAGTA-3´ d. 5´-TACAAATCCTAG-3´ e. 5´-CTAGGATTTCAT-3´ 3. The adapters that allow translation of the four-letter nucleic acid language into the 20-letter protein language are called a. aminoacyl-tRNA synthetases. b. transfer RNAs. c. ribosomal RNAs. d. messenger RNAs. e. ribosomes. 4. Which of the following does not occur after eukaryotic mRNA is transcribed? a. Binding of RNA polymerase to the promoter b. Capping of the 5´ end c. Addition of a poly A tail to the 3´ end d. Splicing out of the introns e. Transport to the cytosol 5. Transcription a. produces only mRNA. b. requires ribosomes. c. requires tRNAs. d
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TranscriptionandTranslationKey - Transcription and...

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