Chapter 4 DNA Flashcards
1
Q
Nitrogen Bases
A
The molecules that contain nitrogen and other elements.
2
Q
DNA replication
A
The process in which an identical copy of a DNA strand is formed for a new cell.
3
Q
Messenger RNA
A
Copies the message from DNA in the nucleus and carries the message to the ribosome in the cytoplasm.
4
Q
Transfer RNA
A
Carries amino acids to the ribosome and adds them to the growing protein.
5
Q
Mutation
A
Any change in the DNA of a gene or chromosome.
6
Q
Cancer
A
A disease in which cells grow and divide uncontrollably.
7
Q
Tumor
A
A mass of abnormal cells that develops when cells divide and grow uncontrollably.
8
Q
Chemotherapy
A
The use of drugs to treat a disease
