When you add a small amount of the signal peptide to the flask containing a population of E. Luminescent, what will be the result? Discuss the levels of GB protein, signal peptide, and the status of the transcription factors in your answer.2.Explain the levels of transcription for both GB and the signal peptide when there is no signal peptide present. Use terms such as repressor and activator in your answer.3.Predict the phenotype of the bacterium containing a mutated repressor such that it could no longer bind to the DNA.4.Predict the phenotype for the bacterium containing a mutated activator such that it could no longer bind to the GB protein.

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?