Book 2 Chapter 4 Flashcards
1
Q
a molecule that is presented in all living cells and that contains the info that determines the traits that a living thing inherits and needs to live
A
DNA
2
Q
a sub unit that consists of a sugar, phosphate, and a nitrogenous base
A
nucleotide
3
Q
a cell organelle composed of RNA and protein
A
ribosome
4
Q
a change in the nucleotide-base sequence of a gene or DNA molecule
A
mutation
5
Q
a molecule that is present in all living cells that plays a role in protein production
A
RNA
