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Questions in Mutations
Page 1 out of 6 Pages
- What is the wobble phenomenon?(31134 views)
- You said that mistakes in transcription and translation aren't as critical because RNAs are not heritable...can you explain this again?(34891 views)
- Is it true that you said DNA polymerase I has 5' to 3' prime exonuclease activity AND 3' to 5' prime exonuclease activity or is it just DNA polymerase III that has 3' to 5' prime exonuclease activity?(20273 views)
- I was just curious, I know you said that a mutation or mistake in RNA during transcription is not a big deal because even if it is passed on it will be degraded quickly, but what if there was an error in the RNA that is incorporated into a ribosome in an egg cell, will that mutation still have an effect if that egg becomes fertilized?(17867 views)
- In regards to proofreading and mismatch repair is there any chance that these mechanisms are more relaxed in noncoding regions of DNA or do they not know the difference between destinations of the regions of DNA.(17676 views)
- In the last exam material we learned that in Eukaryotic cells each mRNA is copied numerous times to make an X amount of a type of protein. But if there is a mutation and you produce a non-functional protein- does the cell recognize that right away and degrade the mRNA? Or do non-functional proteins continue to be made? If so, does it start cluttering up the cell?(20139 views)
- I have a quick question about mismatch repair. I was looking in the book and it says that methyl groups are added to some guanines, but in my lecture notes notes I have written down that the methyl groups are added at adenines. I know you normally say to follow what you say in lecture, but I was just curious to where the methyl groups are added to.(19613 views)
- I was just looking over the mismatch repair and had a quick question. After the cut is made in the unmethylated strand, a 5'3' exonuclease activity must come in in order to digest the nonmethylated strand (because that is the direction it grew in), correct?(20682 views)
- I wrote down something really quickly about a Error Prone or SOS Repair mechanism. What exactly is this?(18449 views)
- What is a transposon in regards to an insertion mutation?(18323 views)