Bio151 Sp13 Exam 2 answer key (1)

Once p53 is activated programmed cell death always

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Unformatted text preview: e B1. E2F is a CDK substrate. A2. Cyclin levels are regulated during the cell cycle both at the transcriptional level and by ubiquitin- mediated proteolysis (post- translational level). A3. CDK is cyclically phosphorylated and dephosphorylated by other kinases and phosphatases B4. Once p53 is activated, programmed cell death always occurs A5. Hydrogen bonds are the only types of bonds involved in forming secondary structure. B6. The ribbon model view of protein structure typically shows individual amino acid side chains. A7. In which part of the cell does RNA processing occur? A. Nucleus B. Cytoplasm C. Mitochondria D. Two of the above E. None of the above C8. You are studying the function of an enzyme that you’ve isolated from a thermophilic archaeal species. The optimal gr...
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