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bio hw - Bio 3 Homework#4 1 DNA replication is called...

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Bio 3: Homework #4 1. DNA replication is called semi-conservative because each original strand serves as a template against which a new strand is formed. The phenomenon known as complementary base pairing, where one purine bonds to one particular pyrimidine, allows for flawless replication of the original strand of DNA. 2. The phases of the cell cycle are interphase, prophase, prometaphase, metaphase, anaphase and telophase. There are four stages in interphase; the first is G1, the “first gap”, the first growth stage. The second stage is the S stage, “synthesis”, where the cell continues to grow and DNA is replicated. The third stage is the G2 stage, the “second gap”, where the cell continues to grow and makes sure it has all the necessary components for the remaining steps of Mitosis. The last stage is M, the mitotic phase where the cell divides. The next phase is prophase, where the spindle fiber network (SFN) begins to form. The chromatin condenses. Next comes prometaphase, where the nuclear envelope beings to break down. The
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bio hw - Bio 3 Homework#4 1 DNA replication is called...

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