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biology: 3.8
3.8 The control of gene expression-> biology
Question | Answer |
---|---|
1. what is a gene? | base sequence of DNA codes for polypeptide chain |
2. what is an intron? | non coding section of DNA |
3. what is an exon? | coding section of DNA |
4. what is a transcription factor? | protein in cytoplasm which turns genes on or off so cellular resources are not wasted |
5. why is it important to have transcription factors | to save cellular resources |
6. where does the transcription factor bind to / upstream region? | promoter region |
7. name of the end of downstream region? | terminator region |
8. describe oestrogen | steroid hormone lipid soluble |
9. how does oestrogen travel? | through the phospholipid bilayer via simple diffusion |
10. what does pluripotent mean? |