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Science
Chapter 4 - DNA: The code of life
| 4 kinds of nitrogen bases | Adenine, Thymine, Guanine, Cytosine |
| What is DNA replication | Process in which identical copyof DNA strand is formed for a new cell |
| What are the nitrogen base pairs | A&T C&G |
| WHat is protein synthesis | Productoin of proteins in a cell |
| Where does it take place | cytoplasm outside the nucleus |
| What is the role of RNA | Genetic messanger - carries genetic code from DNA inside the nucleus to cytoplasm |
| Differences between RNA and DNA | RNA has one strand and contains different sugar molecule than DNA RNA contains uracil instead of thymine |
| What is mutation | any change in DNA of a gene or chromosome |
| What is the major difference between mutations in a body cell and mutations in a sex cell | if the mutation occurs in a body cell it won't be carreid over to offspring but it will in a sex cell |
| how can mutations be harmful and helpful | harmful - reduces organisms chance for survival and reproduction helpful - increase organism ability to survie and reproduce |
| what is cancer | disease in which cells grow and divide uncontrollably |
| what is a tumor | mass of abnormal cells that develop when cells divide uncontrollably |
| 3 ways to destroy cancer | radiation, surgery, chemotherapy |
| what's Gods word about such a deadly illness | he is in control of what happens |
Created by:
indianak
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