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Cells and Heredity Ch 4
Interactive Science Series
8
Science
7th Grade
01/04/2017

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Cards

Term
Nitrogen bases
Definition
molecules that contain nitrogen and other elements
Term
DNA replication
Definition
the process in which an identical copy of a DNA strand is formed for a new cell
Term
messenger RNA (mRNA)
Definition
copies the message from DNA in the nucleus and carries the message to the ribosome in the cytoplasm
Term
transfer RNA (tRNA)
Definition
carries the amino acids to the ribosome and adds them to the groping protein
Term
mutation
Definition
an change in the DNA of a gene or chromosome
Term
cancer
Definition
a disease in which cells grow and divide uncontrollably, damaging the parts of the body around them
Term
tumor
Definition
a mass of abnormal cells that develops when cells divide and grow uncontrollably.
Term
chemotherapy
Definition
the use of drugs to treat a disease
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