Shown here is a theoretical viral mRNA sequence 5′-AUGCAUACCUAUGAGACCCUUGGA-3′ (a) Assuming that it could arise from overlapping genes, how many different polypeptide sequences can be produced? Using the chart in Figure 12–7, what are the sequences? (b) A base-substitution mutation that altered the sequence in part (a) eliminated the synthesis of all but one polypeptide. The altered sequence is shown below. Use Figure 12–7 to determine why it was altered. 5′-AUGCAUACCUAUGUGACCCUUGGA-3′
Shown here is a theoretical viral mRNA sequence 5′-AUGCAUACCUAUGAGACCCUUGGA-3′ (a) Assuming that it could arise from overlapping genes, how many different polypeptide sequences can be produced? Using the chart in Figure 12–7, what are the sequences? (b) A base-substitution mutation that altered the sequence in part (a) eliminated the synthesis of all but one polypeptide. The altered sequence is shown below. Use Figure 12–7 to determine why it was altered. 5′-AUGCAUACCUAUGUGACCCUUGGA-3′
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter19: Genomes And Proteomes
Section: Chapter Questions
Problem 1ITD: Below is a sequence of 540 bases from a genome. What information would you use to find the...
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Shown here is a theoretical viral mRNA sequence
5′-AUGCAUACCUAUGAGACCCUUGGA-3′
(a) Assuming that it could arise from overlapping genes, how many different polypeptide sequences can be produced? Using the chart in Figure 12–7, what are the sequences?
(b) A base-substitution mutation that altered the sequence in part (a) eliminated the synthesis of all but one polypeptide. The altered sequence is shown below. Use Figure 12–7 to determine why it was altered.
5′-AUGCAUACCUAUGUGACCCUUGGA-3′
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