Question
This nucleobase, like cytosine, can dimerize when exposed to UV radiation.. For 10 points each:
[10e] Identify this pyrimidine that is replaced by uracil in RNA, which has one fewer methyl group. This nucleobase pairs with adenine in Watson-Crick DNA base pairing.
ANSWER: thymine [prompt on T]
[10h] Death of cells with damaged DNA can be induced via this tumor suppressor protein. This protein contains four identical protein chains and induces apoptosis.
ANSWER: p53 [accept tumour protein p53 or transformation-related protein 53 or TP53]
[10m] The core domains of p53 contain these secondary structures in protein. These structures can form Greek Key motifs and are either parallel or antiparallel.
ANSWER: beta sheets [accept beta pleated sheets]
<Biology>
Summary
| 2024 ACF Fall at Cornell | fall | Y | 9 | 11.11 | 78% | 33% | 0% |
| 2024 ACF Fall at Ohio State | fall | Y | 8 | 21.25 | 88% | 50% | 75% |
| 2024 ACF Fall at Georgia | fall | Y | 13 | 17.69 | 100% | 46% | 31% |
| 2024 ACF Fall at North Carolina | fall | Y | 9 | 18.89 | 89% | 44% | 56% |
| 2024 ACF Fall at Claremont Colleges | fall | Y | 5 | 22.00 | 100% | 60% | 60% |
| 2024 ACF Fall at Illinois | fall | Y | 9 | 24.44 | 100% | 78% | 67% |
Data
| Chicago A | Illinois D | 10 | 10 | 0 | 20 |
| Chicago B | Northwestern A | 10 | 10 | 0 | 20 |
| Iowa B | Illinois A | 10 | 10 | 10 | 30 |
| Purdue B | Indiana | 10 | 0 | 10 | 20 |
| Northwestern B | Iowa A | 10 | 10 | 10 | 30 |
| Notre Dame A | Illinois B | 10 | 10 | 10 | 30 |
| Purdue A | Illinois C | 10 | 10 | 10 | 30 |
| WashU A | SIUE | 10 | 0 | 10 | 20 |
| WashU B | Notre Dame C | 10 | 0 | 10 | 20 |