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Chapter 4, DNA
Question | Answer |
---|---|
Nitrogen bases | Are molecules that contain nitrogen and other elements. |
DNA replication | Is the process in which an identical copy of a DNA strand is formed for a new cell. |
mRNA | Copies the message from DNA in the nucleus and carries the message to the ribosome in the cytoplasm. |
tRNA | Carries amino acids to the ribosome and adds them to the growing protein. |
Mutation | Is any change in the DNA of a gene or chromosome. |
Cancer | Is the disease in which cells grow and divide uncontrollably, damaging the parts of the body around them. |
Tumor | Is a mass of abnormal cells that develops when cells divide and grow uncontrollably. |
Chemotherapy | Is the use of drugs to teat a disease. |