Ch. 6 Vocab Flashcards
0
Q
What is a nucleotide?
A
In a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base.
1
Q
What is DNA?
A
Deoxyribonucleic acid, a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live.
2
Q
What is RNA?
A
Ribonucleic acid, a molecule that is present in all living cells and that plays a role in protein production.
3
Q
What is a ribsome?
A
A cell organelle composed of RNA and protein; the site of protein synthesis.
4
Q
What is a mutation?
A
A change in the nucleotide-base sequence of a gene or DNA molecule.
