Please answer part 1A and 1B please I will upvote then with a proper explanation for the correct answer: 1A. Which one of the relationships between mismatch repair proteins and microsatellites is true? A. Mismatch repair mutations are due to microsatellite sequence methylation B. Mismatch repair proteins methylate microsatellite repeats. C. Microsatellite instability is mostly because of onherited mutations in the mismatch repair proteins. D. Mismatch repair proteins correct microsatellite sequences which usually have a high rate of error. 1B. Which of the following would be a good indication that a colon cancer is sporadic instead of due to Lynch syndrome? A. Mucinous/signet cell histology B. Early age at onset C. Loss of MLH1 protein in the tumor D. MLH1 promoter hypermethylation

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.