What would be the result (in terms of protein synthesis) if RNA polymerase initiated transcription one base upstream of its normal starting point? Why? What would be the result (in terms of protein synthesis) if translation began one base downstream of its normal starting point? Why?
Answer to relevant QuestionsIn Chapter 10 we will learn about mutations, inheritable changes in the sequence of nucleotides in the genome. By inspecting Table, discuss how the genetic code has evolved to help minimize the impact of mutations. Contrast an aerotolerant and an obligate anaerobe in terms of sensitivity to O2 and ability to grow in the presence of O2. How does an aerotolerant anaerobe differ from a microaerophile? How do cells of Escherichia coli that carry a mutation in mreB ( the gene encoding the protein MreB) look different microscopically from wild- type ( unmutated) cells? What is the reason for this? Why do dideoxynucleotides function as chain terminators? What characteristics are used to identify open reading frames using sequence data?
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