Chapter 4 Flashcards
1
Q
Deoxyribonucleic acid, a molecule that is present in all living cells and that contains the informations that determines the traits that a living thing inherits and needs to live.
A
DNA
2
Q
In a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base.
A
Nucleotide
3
Q
Ribonucleic acid, a molecule that is present in all living cells and that plays a role in protein production.
A
RNA
4
Q
A cell organelle composed of RNA and protein; the site of protein synthesis.
A
Ribosome
5
Q
A change in the nucleotide-base sequence of a gene or DNA molecule.
A
Mutation
