7th 2nd book Chapter 4, all sections Flashcards
1
Q
DNA
A
deoxyribonucleic acid, a molecule that is present in a living cells and that contains the information that determines the traits that a living thing inherits and needs to live
2
Q
nucleotide
A
in a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base
3
Q
RNA
A
ribonucleic acid, a molecule that is presentin all living cells and that plays a role in protein production
4
Q
ribosome
A
a cell organelle composed of RNA and protein; the site of protein synthesis
5
Q
mutation
A
a change in the nucleotide-base sequence of a gene or DNA molecule
