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7th grade Science1
Cell Division, DNA, and RNA
Question | Answer |
---|---|
Nitrogen Bases | Are molecules that contain nitrogen and other bases. |
DNA replication | Is the process by which an identical DNA strand forms a new cell. (The forming or replication of new DNA.) |
Mess. RNA | Copies the message from RNA in the nucleus and carries the message to the ribosome in the cytoplasm. |
Tran. RNA | Carries amino acids to the ribosomes and adds them to the growing protein. |
Mutation | Is any changes in the DNA of a gene or chromosomes. Usually resulting in a disease. But can sometimes be helpful. |
Cancer | Is a disease in which cells grow and divide uncontrollably, damaging the parts of the body around it. |
Chemotherapy | Is the use of drugs to treat a disease. (One way of treating cancer.) |