Practice Exam 3.1

Practice Exam 3.1 - 5'-.ATGGGGCTGTATACGTAACATTAG.-3' The...

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5’-…ATGGGGCTGTATACGTAACATTAG…-3’ The above nucleotide sequence represents a single stranded fragment of bacterial DNA. Use the information contained in this polymer to answer the following questions. 1. What is the sequence of DNA that would complement all of the nucleotides above? Include in your answer the labels for the 5’ and 3’ ends. 2. How should the sequence of the transcript read? Again use the information from the sequence above. Label the 5’ and 3’ ends. 3. What amino acid sequence would be translated? Use table 11.4 to convert codons to protein monomers.
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4. Which of the following statements regarding replication and transcription is true ? A. Replication is semi-conservative and transcription produces a single-stranded nucleic acid polymer. B. In replication, nucleotides are polymerized in the 5’ to 3’ direction; in transcription, nucleotides are added in a 3’ to 5’ direction. C. Replication requires an RNA primer, while transcription requires a DNA primer. D. Transcription utilizes bi-directional transcription forks while replication in bacteria occurs in a single direction. E. Synthesis of nucleic acids during replication is continuous, while nucleic acid synthesis in transcription is non- continuous. 5. Which of the following statements is false ? A. Thymine is not normally found in RNA while uracil is not normally found in DNA. B. The bases of tRNA can be modified to generate non-conventional bases such as pseudouridine. C. DNA polymerase adds nucleotides in one direction. D.
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Practice Exam 3.1 - 5'-.ATGGGGCTGTATACGTAACATTAG.-3' The...

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