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AP Bio: Unit 4 Cell Signaling and Cell Cycle Test with Answers
AP Bio: Unit 4 Cell Signaling and Cell Cycle
AP Bio: Unit 4 Cell Signaling and Cell Cycle
Chromosome A threadlike, gene-carrying structure found in the nucleus. Each chromosome 
consists of one very long DNA molecule and associated proteins. 
2. Gene A segment of DNA on a chromosome that codes for a specific trait 
3. Mutation change in a DNA sequence that attects genetic information 
4. Chromatin Substance found in eukaryotic chromosomes that consists of DNA tightly coiled 
around histones 
5. Chromatid one of two i
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