Questions on Regulation of Beta Galactosidase Synthesis

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Fill in the answers to the questions below and submit a copy of this form before attending lab.

1. Why do scientists think that lactose affects the production of Beta galactosidase?

2. What is the original source of information for the sequence of amino acids in a protein?

3. In what part of the cell does protein synthesis occur?

4. Which step in protein synthesis is blocked by Chloramphenicol?


5. How will you distinguish between the hypothesis that DNA is directly stimulated by lactose to produce beta galactosidase compared to the hypothesis that lactose is necessary for the assembly of beta galactosidase?