10. Which of the following will enter the A site when a translocating ribosomes
ID: 218920 • Letter: 1
Question
10. Which of the following will enter the A site when a translocating ribosomes reaches a stop codon? Put an X next to the option you want to select or change the font color. (1pt) a. adaptor molecule b. initiating factor c. release factor d. ribosome binding sequence e. terminator sequence 11. Look at diagram of gene expression in a prokaryote below. Name the type of gene regulation that happens at points A, B and C (1.5pt) ONA mRNA Protein Activated protein A: C: 12. What is the inducer molecule of the LAC operon? (1pt) 13. For the LAC operon, assume that lactose is present and glucose levels are low. Will the repressor protein be active or inactive? (1pt) 14. In the LAC operon the LAC I gene is constitutive. Explain what this means. (1pt) 15. Which molecule in the LAC operon is under allosteric regulation? (1pt) 16.Glucose levels are low in a cell. How will this affect the level of CAMP? (1pt) 17.ASAMP-CAP complex is bound to the promoter of the LAC operon. How will this affect RNA polymerase? (1pt)Explanation / Answer
10. Which of the following enter A site when a translocating ribosome reaches a stop codon?
Correct option:
11. Look at the diagram of gene expression below. Name the type of gene regulation that happens at point A, B, and C.
12. What is the inducer molecule of Lac operon?
Answer: Allolactose is the inducer molecule of Lac Operon.
13. For the Lac operon assume that the lactose is present and the glucose level is low. Will the repressor protein be active or inactive?
Answer: When lactose is present in the surrounding the repressor protein will be inactive.
14. In the Lac operon, the Lac 1 gene is constitutive. Explain what this means?
Answer: Lac 1 gene of the Lac operon is constitutive means that the gene is expressed at a constant level throughout.
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