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Chapter 4, DNA

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.
Created by: Tacoman1