Which of the following tumor-suppressor genes encode proteins that inhibit cell division when cell conditions are unfavorable?
A. p16.
B. Rb.
C. BRCA1.
D. NF1.
E. All of these are tumor-suppressor genes, so they all produce proteins that inhibit cell division.
Answer: E
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Given the following strand of DNA: 5? CATAGCCTTA 3? Which of the following sequences is the complementary DNA strand?
A) 5? CATAGCCTTA 3? B) 3? GTATCGGAAT 5? C) 5? GTATCGGAAT 3? D) 3? GUAUCGGAAU 5? E) 3? CATAGCCTTA 5?
the process by which amino acids are converted to urea is called
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For the following gene, you notice the following results. Mutant # Deletion Region % Transcription (lungs) % Transcription (kidneys) WT None 100% 100% 1 1-200 150% 150% 2 250-400 100% 100% 3 500-800 50% 50% 4 950-
1100 0% 100% What type of sequence has been mutated in mutant 4?