Gene regulation

Created March 2020, Offline version here
Video by Paul Anderson, also on his website Bozeman Science.


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1. What regulatory sequence does RNA polymerase bind?
2. Genes involved in the same process in bacteria are organized into an ______
3. What enzyme is required for transcription?
4. What sugar is broken down by the genes in the lac operon?
5. What macromolecule is tryptophan required for the synthesis of?
6. The control of the trp operon is an example of what kind of regulation?
7. The role of an operator is often referred to as an on/off what?
8. The control of the lac operon is an example of what kind of regulation?
9. How many genes are in the lac operon?
10. What type of proteins bind to regulatory sequences to prevent transcription of genes?
11. A common eukaryotic promoter contains a _____ box
12. The presence of tryptophan causes the genes in the trp operon to become
13. The presence of lactose causes the genes in the lac operon to become
14. When lactose binds the repressor protein found at the lac operator, it causes a change in ________ that releases the repressor from the operator.
15. What is the name of the regulatory sequence that is found between genes and their promoters in E. Coli?
16. Transcription _______ are required to regulate the activity of eukaryotic genes
17. How many genes are in the trp operon?
18. Which amino acid is synthesized by the genes in the trp operon?
19. In which mammalian substance is lactose found?