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Regarding the trp operon leader sequence: 1.What would happen if the leader sequence was mutated in...

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Biology

Regarding the trp operon leader sequence:

1.What would happen if the leader sequence was mutated in region3, such that the it was missing?

2. Regarding Electrophoresis:

Restriction endonuclease (why restricted?, why endo?  Why -nucl-? Why - ase?)

                                                                                                                                                            

RFLP

Ethidium Bromide

Probe

3. DNA is ___________________ charged and therefore moves towardthe _______________ electrode.

Answer & Explanation Solved by verified expert
4.1 Ratings (697 Votes)
Q1Tryptophan operon switch on when the concentration of tryptophanis low in the medium This operon is regulated by leader sequencepresent upstream to the structural genes of the operon Leadersequences has the four distinct regions Presence of lowconcentration of tryptophan allows the formation of antiterminationloop between sequence 2 and 3 of the leader sequence Presence ofhigh    See Answer
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