Bio100 F12 Exam 1 answer key

B11 there is a mutation in tfa such that it cannot be

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Unformatted text preview: phosphate from ATP to TK2. You have a stem cell that appears to be constantly transducing a signal even when the signal is not present. Which of the following could explain the behavior of this cell? (A = Yes, could explain; B = No, cannot explain) A9. There is a mutation in the gene for TK1 that results in a permanently activated TK1 Bio100 F12 Exam 1 Prof. Francis 2 A10. TFa causes a gene to be expressed that makes TK3, a kinase that is always activated and targets (activates) TK2. B11. There is a mutation in TFa such that it cannot be imported into the nucleus A12. TK2 activates both TFa and TK1. A13. There is a mutation in TFa such that it is always bound to the DNA B14. Phosphorylated TK2 activates an ubiquitin ligase that targets TK1 and caus...
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