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Science

DNA, Replication, and Mitosis

QuestionAnswer
What enzyme breaks apart the Double Helix? Helacase
Which enzyme adds primer to the new backbone of DNA? Primase
Which enzyme adds nitrogen base to the backbone? Polymeric
Which enzyme reforms the hydrogen bonds between the bases? lygase
Where in the cell does DNA replication occur? Nucleus
In which part of the cell cycle does DNA replication occur? S phase of Interphase
If a cell has 22 chromosome, after mitosis how many will each new daughter cell have? 22 chromosomes
If you are looking at 2 cells from the same organism under a microscopes, and cell A has 8 chromosomes and cell B has 4 chromosomes what 2 phases of the cell cycle are possible for these cells? Prophase and Metaphase
List the order of the order of the stages of the cell cycle...... Interphase- G1, S, G2 M phase- Mitosis and Cytokines
IN Telophase, an animal cell will have a _______ ______ and a plant cell will have a ____ _____ in preparation for cytokineses. clevage furrow; cell plate
In which 2 phases of the cell cycle are sister chromatids found? Prophase and Metaphase
Which is division of the cytoplasm? Cytokineses
List the steps of DNA replication... 1. unwind DNA 2. replication begins 3.Primer added 4. New base formed 5. hydrogen forms **DNA replication is semi conservative**
Created by: Alisha M. Bailey
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