 | Term | Definition |
| |
What is DNA? |
deoxyribonucleic acid |
| |
Chromosomes are composed of? |
Genes |
| |
Genes are composed of? |
DNA |
| |
What does DNA control? |
the production of protein |
| |
How many human proteins are there? |
over 25,000 |
| |
What two things do proteins determine? |
physical appearance and actions in/within the organism |
| |
DNA was discovered when and by whom? |
1950's by Watson and Crick |
| |
What are the 3 parts of DNA? |
1.) Simple Sugar (deoxyribose) 2.) A Phosphate Group (an atom of phosphorous surrounded by 4 oxygens) 3.) A Nitrogen Base (a carbon molecule with one or more atoms of nitrogen) |
| |
What are they called? |
nucleotides |
| |
What are the 4 nitrogen bases? |
Adenine (A); Guanine (G); Cytosine (C); Thymine (T) |
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