DNA Biology and Technology Flashcards
1
Q
DNA (deoxyribonucleic acid)
A
- Genetic material for life on earth
- Composed of two strands that spiral about each other
2
Q
Genes
A
Organized information within genetic material
3
Q
Chromosomes
A
The structures genes are organized into
4
Q
Where is the majority of DNA located in eukaryotic cells?
A
The nucleus (although a small amount of DNA is also found in the mitochondria)
5
Q
Functions of DNA:
A
(1) replicate
(2) store info
(3) undergo mutation to provide genetic variability
6
Q
Nucleotide
A
Molecule composed of three sub units- phosphoric acid, pentose sugar, and a nitrogen containing base [adenine, cytosine, guanine, or thymine]