Activity of trp operon is taken as a measurement of ;

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#Question id: 15654

#SCPH06 I Botany

You are studying a new strain of E. coli that can utilize the disaccharide melibiose very efficiently. You find that utilization depends on the enzyme melibiase, which is encoded by the gene Mel1. Mel1 is not expressed unless melibiose is present in the growth medium. Next you isolate a mutation, designated MelB–, which gives uninducible melibiase activity. Mapping experiments show that MelB– is linked to Mel1. Using an F' factor that carries the chromosomal region surrounding Mel1, you perform the following genetic tests:

                      

Describe the basic genetic properties of the MelB– mutation?

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#Question id: 14134

#SCPH05 I Biotechnology

PAM stands for ___

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#Question id: 11017

#I Life Science/ Life Sciences Group – I-V

Which of the following is most likely at the “J point” in an EKG of a patient with a damaged cardiac muscle?

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#Question id: 15697

#SCPH05 I Biotechnology

Which of the following does not describe PAM matrices?

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#Question id: 14131

#SCPH01 Biochemistry

The suitable substitution matrix to align closely related sequences is