Chapter 6 - Genes and DNA Flashcards
1
Q
Nucleotide
A
in a nucleic-acid chain, a subunit that consists of a sugar, a prosphate, and a notrogenous base
2
Q
RNA
A
a molecule that is present in all living cells and that plays a role in protein production
3
Q
ribosome
A
a cell organelle composed of RNA and protein; the site of protein synthesis
4
Q
mutation
A
a change in the nucleotide-base sequence of a gene or DNA molecule
5
Q
DNA
A
a molecule that is present in all living cells and contains information that determines the traits that a living thing inherits and needs to live.