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Review
Chapter 4 pages 108-113
| Question | Answer |
|---|---|
| Who discovered that DNA could exist in a dry and wet form? | Rosalind Franklin |
| What does DNA look like? | A twisted ladder |
| How do parents pass traits to their offspring (babies)? | chromosomes |
| DNA means | deoxyribonucleic acid |
| Nitrogen bases | molecules that contain nitrogen and other elements |
| DNA has 4 kinds of nitrogen bases...name them | adenine, thymine, guanine and cytosine A,T,G,C |
| DNA contains genetic information for cells to make what? | proteins |
| Proteins determine what? | traits from hair color to the ability to et food |
| DNA replication | the process in which an identical copy of a DNA strand is formed for a new cell |