W23 D103 Final Exam Actual Questions And Answers 2024 With Complete Solution

Similarities - which receptor signaling pathways use phosphorylation to expose a NLS so that the signaling protein can be targeted to the nucleus? A. TGF-b / BMP and Cytokine signaling B. TGF-b / BMP, Cytokine, and Steroid hormone signaling C. TGF-b / BMP, RTK, and Steroid hormone signaling D. Cytokine and Steroid hormone signaling E. TGF-b / BMP, Cytokine, RTK and Steroid hormone signaling {Ans: A. TGF-b / BMP and Cytokine signaling}Which of the following mutations would be likely to produce S. pombe cells that are elongated and which require a long time to complete mitosis? A. A mutation that abolishes Cdc25 activity. B. A mutation that increases activity of Cdc25. C. A mutation that increases activity of CAK. D. A mutation in CDK that prevents it from being phosphorylated by Wee1. E. A mutation that abolishes Wee1 activity. {Ans: A. A mutation that abolishes Cdc25 activity.}Identify the T / F statements regarding cyclins and CDK's 1. A CDK can be partially active in the absence of a cyclin. 2. A CDK becomes fully activated once bound by a cyclin. 3. A cyclin helps direct a CDK to its specific targets. 4. A cyclin must be phosphorylated to