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Biology Unit 3
Biology Unit 3 DNA Structure and Cell Cycle Vocabulary
| Definition | Term |
|---|---|
| the sequence of events that result in cell growth and ultimately the division into two daughter cells | cell cycle |
| the process by which a copy of DNA is made by separating the two strands and building a complementary strand on each of the original strands | DNA replication |
| a disease characterized by uncontrolled cell division, caused by a failure to regulate cell cycle mechanisms and checkpoints | cancer |
| the process of nuclear division, that along with cytokinesis produces two genetically identical daughter cells | mitosis |
| nucleic acid, which is self-replicating and contains the code to make all proteins needed by an organism | DNA |
| a substance or agent that can cause cancer | carcinogen |
| thread-like structure founding the nucleus of a cell that is made of protein and a single molecule of DNA | chromosome |
| the longest phase of the cell cycle during which the cell grows, replicates its DNA and prepares for division | interphase |
| the structural configuration of DNA; consists of 2 long strands twisted around a central axis to form a spiral staircase or ladder shape | double helix |