Answer:
here is this!
Explanation:
hope I helped again
1. lactose intolerant
2. lactase
3. dairy products
4. e.coli
5. enzymes
6. protein
7. repressor
8. operator
9. rna polymerase
10. transcribe
11. bases
12. repressor
13. operator
14. transcription
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All living cells need energy to function in order for the chemical reactions occurring in the cells to take place. In humans this energy is obtained by breaking down organic molecules such as carbohydrates, fats and proteins.
